| 1. | Sir William de Mowbray, of Thirsk was born about 1170; died about 25 Mar 1224. Family/Spouse: Unknown. [Group Sheet] [Family Chart]
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| 2. | Sir Roger de Mowbray, of Thirsk Family/Spouse: Unknown. [Group Sheet] [Family Chart]
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| 3. | Joan de Mowbray Joan married Sir Robert de Mohaut about 1261. Robert (son of Roger de Mohaut and Cecily d'Aubeney) died about 16 Sep 1275. [Group Sheet] [Family Chart]
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| 4. | Cecily de Mohaut Cecily married 1st Lord Morley William de Morley before 1 Oct 1295. William died about 29 Sep 1300. [Group Sheet] [Family Chart]
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