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

Austria

Latin

● c925 Hartuuich (nom) UrkStyria 16, Hartvuich (nom) ibid. 16, Hartvuico (abl) ibid. 16; 928 Hartuuih (nom) ibid. 18; 930 Hartvuich (nom) ibid. 19; 979 Hartuuici (gen) ibid. 28; c1030 Hartuuico (abl) ibid. 47, Hartuuicus (nom) ibid. 47; 1074x1087 Hartwich (nom) ibid. 77; c1075 Hartuuic (nom) ibid. 78; c1100 Hartuuicus (nom) ibid. 89, Hartvvicus (nom) ibid. 89, Hartwic (nom) ibid. 89, Hartwicus (nom) ibid. 89; c1120 Hartwicus (nom) ibid. 103; c1128 Hartuuich (nom) ibid. 118a

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

● 925 Hartuuih (nom) UrkStyria 14; 954 Hartwigi (gen) ibid. 23; 961 Hartuigi (gen) ibid. 24; 1005 Hartuuici (gen) ibid. 34, Hartuuicus (nom) ibid. 34; 1048 Hartwigo (abl) ibid. 56, Hartwigus (nom) ibid. 56; 1112 Hartwici (gen) quix-vol1 26; 1114 Hartwici (gen) UrkStyria 99; 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

● 1096 Harthuinch (nom) UrkStyria 88; 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