William FitzWarin

Her 4. husbond and his second wife

https://en.wikipedia.org/wiki/William_FitzWarin Family: FitzWarin married Maria de Ergadia (d. 1302), daughter of Eóghan of Argyll. She had previously been the wife of Magnus Olafsson, King of Mann and the Isles (d. 1265), Maol Íosa II, Earl of Strathearn (d. 1271), and Hugh, Lord of Abernethy (d. 1291/2); they had issue: Robert, died 1297 at the siege of Urquhart Castle.

Both FitzWarin and his wife were buried at Greyfriars, London.