The double diminutive Ascelin outstripped the root form in popularity by the 12th C or so.

Austria

Latin

● 798 Attoni (dat) UrkStyria 2; 928 Azo (nom) ibid. 18

Belgium

Latin

◑ 1107 Ascelinus (nom) CartStBert 3

England

Latin

● 1222 azonis (gen) StPaulDom p. 6

◑ 1189 Acelinus (nom) GASurv p. 230

France

Latin

● c680 Ado (nom) CartYonne1 VIII, Attone (abl) ibid. VIII; c823 Ado (nom) irminon-vol2 33, Ved; 10thC Adonis (gen) St-Barnard-Romans 134; 11thC Ado (nom) ibid. no. 112, Adonis (gen) ibid. 135; c11thC Adono (abl) ibid. no. 91; 1031 Addonis (gen) ibid. no. 107; 1046 Adonis (gen) ibid. 139; 1047 Azonis (gen) CartNDSaintes II; 1050 Addonis (gen) St-Barnard-Romans no. 100; 1088x1119 Adonis (gen) ibid. no. 149; 1115 Ado (nom) CartNDJosaphat V; 1121 Ado (nom) clairvaux-12thc 2; 1123 Atonem (acc) CartYonne1 CXXXVI, Atto (nom) ibid. CXXXIV; 1135 Ado (nom) clairvaux-12thc 7; 1136 Atho (nom) ibid. 8; 1138x1162 Aszo (nom) ibid. 61; 1147 Addo (nom) ibid. 15, Atino (abl) ibid. 18; 1164 Ado (nom) ibid. 122; 1267 Aco (nom) NDParisII 2-II; 1273 Atho (nom) RegToul-13thC p. 33, Ato (nom) ibid. p. 27; 1274 Atho (nom) ibid. p. 27, Athone (abl) ibid. p. 27; 1275 Atho (nom) ibid. p. 42

◑ 1029x1033 Ascelinus (nom) CartStPC XII; 1070 Ascelinus (nom) LDS appendix, XXIX; 1115 Acelino (abl) CartNDJosaphat V; 1147 Acelinus (nom) clairvaux-12thc 19, Ascelini (gen) ibid. 19, Ascelinus (nom) ibid. 18; 1173 Ascelinus (nom) ibid. 155; 1174 Ascelinus (nom) ibid. 161; c1175–1180 Ascelinus (nom) ChartCaen2 p. 67; 1179 Accelinus (nom) clairvaux-12thc 173, Acelini (gen) ibid. 181, Acelinus (nom) ibid. 172, Ecelinus (nom) ibid. 181; 1180 Ascelino (abl) RotScaNor p. 11; 1268 Ascelinus (nom) NDParisII 2-V; 1269 Ascelinus (nom) ibid. 2-III; 1378 Ascelino (dat) hanquetvol1 551

Germany

Latin

● 802 Attonem (acc) FRA-XXXL 8, Attoni (dat) ibid. 7, Attonis (gen) ibid. 8; 816 Atto (nom) ibid. 9; 822x875 Ati (abl) TradCorb §133; 948 Azzonis (gen) HambUrk-vol1 XXXV; 1020 Azo (nom) quix-vol1 58

Ireland

Latin

● fin12thC Ace (nom) MunDocIr III, p. 6

◑ fin12thC Asilini (gen) MunDocIr III, p. 14

Israel

Latin

● 1120 Ado (nom) CartNDJosaphat VIII

Italy

Latin

● 770 Attoni (dat) FRA-XXXL 2; 1100 Azo (nom) RCI-Cam1 629; 1138 Azo (nom) HAP p. 331; 1142 Attone (abl) ibid. p. 332; 1195 Azonis (gen) ChStBo1 II; 1198 Azone (abl) ibid. III; 1236 Açonis (gen) TirNot1 6

◑ 1092 Azolino (nom) RCI-Cam1 565; 1156 Ascelinus (nom) CartYonne1 CCLXXX; 1164 Azotto (abl) SDE3 I, Azottum (acc) ibid. I; 1265x1339 Atulini (gen) BBC-Berg 292; 1368 Aczolino (abl) Livi 232; 1376 Acelino (abl) DouGen1 p. 18, Acelinus (nom) ibid. p. 218

The Netherlands

Latin

● 834 Addo (nom) OrkGZ no. 30

Switzerland

Latin

● 1135x1185 Ado (nom) CartChart 1