Consanguinity and Affinity. The case that stimulated the Church to revise its method of computing degrees of kinship and limit the number of prohibited degrees of consanguinity and affinity was that of Philip II (Augustus), King of France, who reigned from 1180 until 1223. In 1180, when his father, Louis VII, was close to death, Philip Augustus, who was fifteen, was married to nine-year-old Isabella of Hainaut. Philip's maternal uncles had considered breaking the betrothal because it interfered with their family strategies, but the marriage was performed and consummated when Isabella reached the legal marriage age of twelve. The couple had one son before Isabella died in 1190. In 1193 Philip, who had but one rather frail son to inherit his kingdom, married Ingeborg, the sister of King Canute VI of Denmark. The day after the wedding, however, before Ingeborg could...