Margaret Heiress de LOUDOUN 
Margaret Heiress de was born about 1165 in Loudoun, Aryshire, Scotland. Margaret Heiress de's father was James LOUDOUN. Her paternal grandfather was Lambinus LOUDOUN. She was an only child. Margaret Heiress de is no longer alive.
They had a son named John .
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Children
John CRAUFORD, Lord de Crawford
John was born about 1192 in Crawford, Ayrshire, Scotland. He died before 1259 in Melrose Abbey, Lanarkshire, Scotland.