The abbey was founded by Itta of Metz , the widow of Pepin of Landen , Mayor of the Palace of the Kingdom of Austrasia , with their daughter , Gertrude of Nivelles .
Head entity: pepin of landen Q313373 12 13 14
Tail entity: gertrude of nivelles Q235619 30 31 32
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40