~1112, Guy born in France, eldest s/o 378236486. Count William III Talvas & 378236487. Helen of Burgundy.
~1120, Ida born in France.
1126, William resigned the title Comte de Ponthieu to his son Guy. (S) FMG.
~1138, Guy married Ida ?.
1139, Guy founded a Cistercian house in Ponthieu at Valloires.
6/1147, King Louis VII left on crusade.
1147, Guy de Montgomerie, count of Ponthieu, died on crusade at Ephesus, Turkey, before reaching the Holy lands.
Child of Guy and Ida:
i. John de Montgomerie (94555164) born ~1140 in France.