Dictionary of Medieval Names
from European Sources

Hartwig m. Old Saxon hard, Old High German hart 'strong, hard' + Old Saxon, Old English wig, Old High German wīc 'war, battle'.

Czech Republic
Latin
1358 Hertwico (nom) chlumecky 221, p. 31
Estonia
Middle Low German
1383 Hartwich BbRT p. 337; 1421 Hartwich ibid. p. 349; 1433 Hertwick ibid. p. 356
1592 Hart Tiik1977 p. 286
Germany
Latin
1112 Hartwici (gen) quix-vol1 26; 1200 Hartwicus (nom) hennes-vol1 5; 1221 Hertwicus (nom) ibid. 57; 1249 Hertwicus (nom) ibid. 131; 1259 Hartwicus (nom) CDL-1.1.1 XXXI
Italy
Latin
1169 Artuicus (nom) SDE3 III; 1261 Hartwicus (nom) FRA-XXXL 209
Latvia
Latin
1286 Hartwicus (nom) RigSB 471; 1288 Hartvici (gen) ibid. 524, Hartvicus (nom) ibid. 523; 1293 Hartwicus (nom) ibid. 351; 1300 Hartwicus (nom) ibid. 405; 1303 Hartwicus (nom) ibid. 454
The Netherlands
Latin
1268 Hertwicus (nom) GesOIJ-1 p. 295, hertwici (gen) ibid. p. 295
Poland
Latin
1251 Hertwicus (nom) hennes-vol1 141
Cite as: R. Le Get, S.L. Uckelman. "Hartwig". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Hartwig.