He was a younger son of Hugh de Moravia,[1] from the family of Flemish origin who were lords of Duffus and other areas in the Greater Moray region in this period.

However, he refused to accept the election, and obtained the consent of Pope Innocent III to resign this position.

Andreas was in Rome before April 1224 when he is styled "Bishop" and it is probable that he was confirmed and consecrated during this period in the curia.

For instance, he witnessed charters of king Alexander II and was the principal consecrator of William de Bondington as Bishop of Glasgow.

A letter from Pope Gregory IX, dated to 13 April 1231, instructs the dean and chapter of Moray that elections to the bishopric should be free.