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Dictionary of Medieval Names
from European Sources

Frederick m. Old High German fridu, Old Saxon frithu 'peace' + Old High German rih 'ruler'.

The name of a 12th C Holy Roman Emperor, a 13th C Holy Roman Emperor, 13th-14th C king of the Romans, a 15th C Holy Roman Emperor, two 16th C kings of Denmark and Norway, and a 16th C king of Naples.

Austria
Latin
1237 Friderico (abl) hennes-vol1 96, Fridericus (nom) ibid. 96; 1239 Fridericus (nom) ibid. 100
Belgium
Latin
1253 Frederico (abl) hennes-vol1 149
Czech Republic
Latin
1349 Bedrzich (nom) chlumecky 62, Bedrzichoni (dat) ibid. 16; 1350 Fridrico (abl) ibid. 199; 1353 Beddrzich (nom) ibid. 85, Bedrzich (nom) ibid. 133, Bedrzichoni (dat) ibid. 145; 1354 Fridricus (nom) ibid. 54, Fritrico (dat) ibid. 62; 1355 Frytricus (nom) ibid. 79
1358 Frenczlino (dat) chlumecky 210, p. 30
England
Early Modern English
1586 Frederick DEmar-vol2 p. 13
Estonia
Middle Low German
1385 Vrederik BbRT p. 338; 1412 Vrederik ibid. p. 346; 1416 Vrederik ibid. p. 347; 1434 Vrederik ibid. p. 356; 1435 Frederik ibid. p. 358; 1437 Frederik ibid. p. 361, Frederyck ibid. p. 360
France
Latin
1047 Frederici (gen) CartNDSaintes II; 1121 Fridericus (nom) CartNDJosaphat X; 1135 Fredericus (nom) clairvaux-12thc 7; 1136 Fredericus (nom) ibid. 8; 1138x62 Fredericus (nom) ibid. 83, Fridericus (nom) ibid. 84; 1147 Frederici (gen) ibid. 19, Fredericus (nom) ibid. 14; 1159 Fredericus (nom) ibid. 37; 1162 Fridericus (nom) ibid. 40; 1163 Frederici (gen) ibid. 99; 1179 Frederici (gen) ibid. 175, Fredericus (nom) ibid. 175; 1180 Frederici (gen) RotScaNor p. 10; 1378 Frederici (gen) hanquetvol1 1264, Fredericus (nom) ibid. 1871
Old French
1313 Frederic Paris1313 p. 5
Germany
Latin
814 Friderici (gen) quix-vol1 86; 822x875 Frederico (abl) TradCorb §218, Fredericus (nom) ibid. §40; 937 Friderici (gen) HambUrk-vol1 XXXI; 1103 Fridericus (nom) quix-vol1 62; 1130 Friderico (abl) ibid. 63; 1137 Fredericus (nom) ibid. 102; 1142 Friderico (abl) mairhofer II, Fridericus (nom) ibid. XIII, Fridrich (nom) ibid. I; 1145 Fridericus (nom) ibid. XIX; 1147 Fridericus (nom) ibid. XXII; 1149 Friderici (gen) ibid. XXXIII, Fridericus (nom) ibid. XXXIII; 1151 Fridericus (nom) ibid. XXXIX; 1153 Friderico (abl) quix-vol1 30; 1155x1190 Friderici (gen) ibid. 52, Fridericus (nom) ibid. 52; 1165 Friderici (gen) ibid. 31, Friderico (abl) ibid. 31, Fridericus (nom) ibid. 31, Fritherico (abl) ibid. 93; 1166 Frederici (gen) ibid. 51, Frederico (abl) ibid. 51, Fredericus (nom) ibid. 51; 1168 Friderici (gen) ibid. 65, Friderico (abl) ibid. 65; 1173 Friderico (abl) ibid. 81; 1174 Friderici (gen) ibid. 32, Friderico (abl) ibid. 32, Fridericus (nom) ibid. 32; 1180 Friderico (abl) ibid. 34, Fridericus (nom) ibid. 34; 1185 Friderico (abl) ibid. 37; 1186 Frederico (abl) quix-vol2 123; 1200 Fridericus (nom) hennes-vol1 5; 1202 Friderici (gen) ibid. 6, Fridericus (nom) ibid. 6; 1207 Fridericus (nom) ibid. 8, Fridhericus (nom) ibid. 8; 1213 Friderico (abl) ibid. 14, Fridericus (nom) ibid. 14; 1214 Friderici (gen) ibid. 15, Fridericus (nom) ibid. 15; 1214x15 Friderico (abl) ibid. 19, Fridericus (nom) ibid. 19; 1215 Fredericus (nom) ibid. 18, Friderici (gen) ibid. 18, quix-vol2 126, Friderico (abl) hennes-vol1 18, quix-vol2 126, Fridericus (nom) hennes-vol1 17, quix-vol2 126; 1216 Friderico (abl) hennes-vol1 26, Fridericus (nom) ibid. 20; 1217 Frederico (abl) ibid. 28, Fredericus (nom) ibid. 28, Fridericus (nom) quix-vol1 71; 1218 Friderici (gen) hennes-vol1 32, quix-vol2 127, Friderico (abl) hennes-vol1 31, Fridericus (nom) ibid. 30; 1219 Friderici (gen) ibid. 36, Friderico (abl) ibid. 36, Fridericus (nom) ibid. 36; 1220 Friderici (gen) ibid. 44, Friderico (abl) ibid. 44, Fridericus (nom) ibid. 44, quix-vol2 129; 1221 Frederici (gen) ibid. 130, Friderici (gen) hennes-vol1 55, Friderico (abl) ibid. 55, Fridericus (nom) ibid. 54; 1222 Fridericus (nom) ibid. 62; 1223 Fridericus (nom) ibid. 64; 1225 Fridericus (nom) ibid. 68; 1229 Friderico (abl) CDL-1.1.1 X, Fridericus (nom) ibid. X; 1234 Fridericus (nom) hennes-vol1 89; 1236 Fridericus (nom) ibid. 94, Frithericus (nom) ibid. 94; 1249 Friderici (gen) ibid. 134, Fridericus (nom) ibid. 134; 1253 Fridericus (nom) ibid. 147; 1255 Friderico (abl) ibid. 156; 1256 Fridericus (nom) ibid. 159; 1259 Fredericus (nom) CDL-1.1.1 XXXI, Fridericus (nom) ibid. XXXI; 1260 Fridericus (nom) hennes-vol1 190; 1401 friderici (gen) HD1401 no. 101, friderico (dat) ibid. no. 12; 1408 Friderici (gen) mairhofer DCLXXXIV; 1415 Friderico (abl) ibid. DCC, Fridericus (nom) ibid. DCXCIX; 1425 Friderici (gen) ibid. DCCXXI, Friderico (dat) ibid. DCCXXI, Fridericus (nom) ibid. DCCXXI; 1428 Friderico (abl) ibid. DCCXXVIII, Fridericum (acc) ibid. DCCXXVIII; 1429 Friderici (gen) ibid. DCCXXIX, Friderico (abl) ibid. DCCXXIX, Fridericum (acc) ibid. DCCXXIX
Early New High German
1403 Fridreichs (gen) mairhofer DCLXXIV; 1407 Fridreich (nom) ibid. DCLXXXI; 1409 Fridreich (nom) ibid. DCLXXXVI; 1411 Fridreich (nom) ibid. DCXCII; 1419 Fridreich (nom) ibid. DCCX, Fridreichs (gen) ibid. DCCIX; 1426 Fridreich (nom) ibid. DCCXXIV; 1427 Fridreich (nom) ibid. DCCXXV; 1429 Fridreich (nom) ibid. DCCXXXIII
1407 Fritz (nom) mairhofer DCLXXXII; 1410 Fritz (nom) ibid. DCXCI; 1497 Fricz Nurn1497 2636, Frietz ibid. 1797, Fritz ibid. p. 1
Italy
Latin
1220 Fridericum (abl) hennes-vol1 46; 1224 Friderici (gen) ibid. 65, Friderico (abl) ibid. 65, Fridericus (nom) ibid. 65; 1226 Fredericus (nom) ibid. 70, Friderici (gen) ibid. 70, Friderico (abl) ibid. 70; 1230 Fridericus (nom) ibid. 78; 1243 Fridericus (nom) ibid. 110; 1245 Friderici (gen) ibid. 120, Friderico (abl) ibid. 120, Fridericus (nom) ibid. 120; 1265x1339 Federici (gen) BBC-Berg 29, Frederici (gen) ibid. 181; 1282 Fredericus (nom) ibid. p. XLVIII, Fredrericus (nom) ibid. p. XLVII; 1286 Fredericus (nom) ibid. p. XLIII; 1297 Federicus (nom) ibid. p. XLV; 1326 Federici (gen) Friuli-14thC no. 434, Federico (abl) ibid. no. 427, Federicum (acc) ibid. no. 443; 1327 Federico (abl) ibid. no. 449; 1348 Frederici (gen) INP 33; 1376 Fredericho (abl) DouGen1 p. 27, Frederici (gen) ibid. p. 246; 1522x1532 Federicus (nom) DSF p. 58, 37
1326 Fedregino (dat) Friuli-14thC no. 421; 1348 Freda (nom) INP 29
Latvia
Latin
1286 Fredericus (nom) RigSB 383; 1288 Fredericus (nom) ibid. 386; 1289 Fredericus (nom) ibid. 389; 1291 Fredericus (nom) ibid. 391; 1292 Fredericus (nom) ibid. 393; 1293 Frederico (dat) ibid. 38, Fredericus (nom) ibid. 397; 1296 Fredericus (nom) ibid. 398; 1297 Fredericus (nom) ibid. 399; 1298 Fredericus (nom) ibid. 400
Middle Low German
1503 Friedrich Mettig1892 p. 8; 1505 Frederick ibid. p. 8; 1565x1577 Frederich Arbusow p. 97
Poland
Latin
1232 Fridericus (nom) hennes-vol1 87; 1251 Fridericus (nom) ibid. 141
Middle High German
1332 Fridel SBGlatzer p. 2, Fridels (gen) ibid. p. 2
Sweden
Latin
1251 Fridericus (nom) CDL-1.1.1 XXII
Switzerland
Latin
1154 Friderico (abl) CartHaut 5; 1155 Friderico (abl) ibid. 6; 1157 Frederico (abl) ibid. 7; 1162 Frederico (abl) ibid. 12; 1165 Friderico (abl) ibid. 16; 1326 Federicus (nom) Friuli-14thC no. 429
Cite as: R. Le Get, J. Uckelman, S.L. Uckelman. "Frederick". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Frederick.