Much more serious was the fact that when the nuptials took place, the Portuguese monarch was still married to Matilda II of Boulogne, who, in 1255, accused her husband before Pope Alexander IV of bigamy. In 1258, the Pope condemned him for adultery, demanded that he return Matilda's dowry, and placed him under interdict. Matilda, however, died that year and the Pope's threats were left in suspense.
A much more critical situation emerged when the wedding took place, as the Portuguese monarch was still married to Matilda II of Boulogne, who in 1255 accused her husband before Pope Alexander IV of having multiple spouses. In 1258, the Pope found him guilty of cheating on his spouse, demanded that he return Matilda's dowry, and put him under a spiritual ban. However, Matilda died that year, leaving the Pope's threats hanging in the balance.