Engelbert m. Old High German engil 'angel' + Old German berhta 'bright'.

England

English

● 1544 Ingilbert StNick-Sf p. 1

Estonia

Middle Low German

● 1383 Engelbrecht BbRT p. 336; 1397 Engelberd ibid. p. 340; 1412 Engelberd ibid. p. 346; 1415 Engelberd ibid. p. 347; 1422 Engelberd ibid. p. 350; 1433 Engelbrecht ibid. p. 356; 1437 Engelbrecht ibid. p. 359

France

Latin

● 1031 Ingelberti (gen) St-Bernard-Romans no. 107; 1079x1101 Ingelberti (gen) CartStPC IX; 1147 Engelberto (abl) clairvaux-12thc 19, Engelbertus (nom) ibid. 15, Ingelbertus (nom) ibid. 18; 1163–64 Engilbertus (nom) ibid. 115; 1190 Engilbertus (nom) CartNDdOurscamp CIII, Ingerbertus (nom) ibid. CV; 1378 Engelberti (gen) hanquetvol1 1376, Engilberto (dat) ibid. 1762

Middle French

◑ 1421 Englebin favier 1023, p. 222

Germany

Latin

● 1134 Engelbertus (nom) quix-vol1 97; 1137 Engelbertus (nom) ibid. 102; 1189 Engelbertus (nom) ibid. 82; 1192 Engelbertus (nom) ibid. 40; 1196 Engelberto (abl) ibid. 68, Engilberto (abl) ibid. 68; 1216 Engilbertus (nom) hennes-vol1 22; 1220 Engelbertus (nom) ibid. 47; 1222 Engelbertus (nom) quix-vol1 74; 1224 Engilbertus (nom) hennes-vol1 66

Latvia

Latin

● 1286 Engelbertus (nom) RigSB 326; 1288 Eggelbertus (nom) ibid. 333; 1289 Eggelbertus (nom) ibid. 332, Engelberti (gen) ibid. 509, Engelbertus (nom) ibid. 340; 1290 Eggelbertus (nom) ibid. 345; 1291 Eggelbertus (nom) ibid. 347; 1293 Eggelbertus (nom) ibid. 351; 1294 Eggelbertus (nom) ibid. 355; 1299 Engelbertus (nom) ibid. 364; 1303 Engelbertus (nom) ibid. 372; 1307 Engilbertus (nom) ibid. 378