Berald I Seigneur de MERCOEUR 
Berald I Seigneur de was born about 0880 in Mercoeur, Chantal, Auvergne, France. Berald I Seigneur de's father was Ithier II Seigneur de MERCOEUR and his mother was Arsinde UNKNOWN. His paternal grandfather was Ithier I Seigneur de MERCOEUR. He was an only child.
They had a daughter named Adelgarde Hildegarde de.
