His parentage is currently unknown and he is known to have had one son John, who died without issue, shortly after his father. He is known to have had two daughters, Agnes, who married Ingram de Balliol and Agatha, who married Humphrey de Adeville.
Walter died around 1193.
- Taylor 2016, p. 248.
- Taylor, Alice (2016). The Shape of the State in Medieval Scotland, 1124-1290. Oxford Studies in Medieval European History. Oxford University Press. ISBN 9780191066108.
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