Bertram m. Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz + Old Saxon hram 'raven'.

Brabant

Latin

● 1312 Bertrandus (nom) JeanIII p. 22

Estonia

Middle Low German

● 1416 Berthram BbRT p. 347; 1427 Bertram ibid. p. 351; 1437 Bertram ibid. p. 359; 1440 Bertram ibid. p. 362; 1441 Bertram ibid. p. 363; 1443 Bertram ibid. p. 365

France

Latin

● c823 Bertrannus (nom) irminon-vol2 88, Palatiolum; 937x93 Bertranni (gen) St-Bernard-Romans no. 99, Bertrannus (nom) ibid. no. 99; 1018x1032 Bertrannus (nom) StVdM-II 666; 1030 Bertrannus (nom) ibid. 681; c1035 Bertranno (abl) ibid. 668; 1040x1080 Bertranni (gen) ibid. 664; 1044 Bertranni (gen) ibid. 659, Bertrannus (nom) ibid. 659; c1050 Bertrannus (nom) ibid. 675; 1055 Bertranni (gen) ibid. 680; 1062 Bertramnus (nom) ibid. 692, Bertrannus (nom) ibid. 692; 1064 Bertrannus (nom) ibid. 703; 1067 Bertrandus (nom) CartNDSaintes XII; 1067x1074 Bertrandus (nom) ibid. XIII; 1067x1086 Bertrandus (nom) ibid. XIV; 1069 Bertrannus (nom) StVdM-II 717; 1070 Bertrannus (nom) ibid. 740; 1073 Bertrannus (nom) ibid. 679; 1080x1105 Bertrandus (nom) ibid. 699; 1094 Bertrannus (nom) ibid. 686; 1138x62 Bertranno (abl) clairvaux-12thc 63, Bertrannus (nom) ibid. 64; 1146 Bertranno (abl) CartNDdOurscamp CXII; 1147 Bertranno (abl) clairvaux-12thc 18, Bertrannus (nom) ibid. 19; 1158 Bertrandi (gen) StVdM-II 702, Bertrandus (nom) ibid. 702; 1158x1170 Bertrannus (nom) clairvaux-12thc 138; a1163 Bertrannus (nom) ibid. 96; 1163 Bertranno (abl) ibid. 99; 1163–64 Bertrannus (nom) ibid. 111; 1164 Bertrannus (nom) ibid. 120; 1168 Bertranno (abl) ibid. 134; 1169 Bertranno (dat) ibid. 136, Bertrannus (nom) ibid. 136; 1171 Bertrannus (nom) ibid. 142; 1173 Bertrannus (nom) ibid. 153; 1178 Bertrandus (nom) ibid. 168; 1179 Bertrannus (nom) ibid. 177; 1180 Bertranni (gen) RotScaNor p. 3; 1188 Bertrannus (nom) CartNDdOurscamp XCIV; 1273 Bertrandum (acc) RegToul-13thC p. 27, Bertrandus (nom) ibid. p. 27; 1283–86 Bertrandi (gen) GasReg-A p. 227; 1287 Bertrandus (nom) ibid. p. 74; 1310 Bertram (nom) ibid. p. 217; 1310/11 Bertrandus (nom) ibid.; 1310 Bertrandus (nom) ibid. p. 217; 1310–11 Bertrandus (nom) ibid. p. 236; 1378 Bertrandi (gen) hanquetvol1 201, Bertrando (dat) ibid. 475, Bertrandus (nom) ibid. 688

Old French

● 1296 Bertran paris1296 p. 57; 1313 Bertran Paris1313 p. 39, Bertrand ibid. p. 39

Middle French

● 1368 Bertrant beauchet-vol1 p. 13; 1392 Bertrain MemBret-II col. 609, Bertran ibid. col. 598; 1415[1469x1471] Bertran Waurin p. 227; 1418 Bertran HGParis p. 384, Bertrant ibid. p. 384; 1421 Bertran favier 17; 1438 Bertran ibid. 70; 1563 Bertrand RegPCC-1 p. 32; 1564 Bertran ibid. p. 54; 1565 Bertram ibid. p. 142, Bertran ibid. p. 135; 1566 Bertran ibid. p. 207; 1567 Bertran ibid. p. 280, Bertrand ibid. p. 328; 1568 Bertran ibid. p. 374

Germany

Latin

● 1194 Bertrammus (nom) quix-vol1 54; 1200 Bertrammus (nom) hennes-vol1 5; 1214 Bertrammus (nom) ibid. 16; 1232 Bertrammus (nom) CDL-1.1.1 XII; 1238 Bertrammus (nom) ibid. XVII; 1254 Bertrammi (gen) hennes-vol1 155

Italy

Latin

● 1265x1339 Bertrami (gen) BBC-Berg 5, Bertrammi (gen) ibid. 279; 1296 Bertrami (gen) ibid. p. XLV; 1303 Bertramus (nom) ibid. p. XLVI; 1310 Bertrami (gen) MonRav-2 CCCL, Bertramo (abl) ibid. CCCL, Bertramus (nom) ibid. CCCL; 1326 Bertramo (abl) Friuli-14thC no. 444, Bertrandi (gen) ibid. no. 440, Bertrandus (nom) ibid. no. 440

Latvia

Latin

● 1287 Bertrammo (dat) RigSB 488; 1299 Bertram (nom) ibid. 184

Spain

Latin

● 1086 Bertrandi (gen) CDCB-XV MMCCIII; 1190 Bertrandi (gen) ibid. MMCCVI; 1192 Bertrandi (gen) ibid. MMCCVIII, Bertrando (dat) ibid. MMCCVIII, Bertrandum (acc) ibid. MMCCVIII; 1490 Bertran (nom) carbonell-I p. 49; 1491 Bertran (nom) ibid. p. 55, Bertrandus (nom) ibid. p. 55

Catalan

● 1510 Beltran valencia1510 138, Bertran ibid. 3885