Sir William de Roos
- Bef 1310
Generation: 1
Generation: 3
Generation: 4
1. Sir William de Roos (son of Robert de Roos and Margaret de Brus); died Bef 12 Mar 1309/10. William — Elizabeth. [Group Sheet]
Children:- Thomas de Roos Baron of Kendal was born Abt 1307.
2. Robert de Roos (son of Robert de Roos and Christian Bertram); died Bef 20 Apr 1274. Robert — Margaret de Brus. Margaret (daughter of Peter de Brus and Hawise) died Bef 30 Jan 1306/07. [Group Sheet]
3. Margaret de Brus (daughter of Peter de Brus and Hawise); died Bef 30 Jan 1306/07. Children:
- Robert de Roos
- 1. William de Roos died Bef 12 Mar 1309/10.
Generation: 3
4. Robert de Roos (son of Robert de Roos and Isabel of Scotland); died Bef Nov 1269. Robert — Christian Bertram. [Group Sheet]
5. Christian Bertram Children:
- William de Roos
- Ida de Roos
- 2. Robert de Roos died Bef 20 Apr 1274.
6. Peter de Brus Peter — Hawise. [Group Sheet]
7. Hawise (daughter of Gilbert Fitz Roger Fitz Reinfrid). Children:
- 3. Margaret de Brus died Bef 30 Jan 1306/07.
Generation: 4
8. Robert de Roos was born Abt 1177 (son of Everard de Ros, Baron of Helmsley and Roese Trussebut); died 1227; was buried London, England. Robert married Isabel of Scotland 1191, Haddington, East Lothian, Scotland. Isabel (daughter of William I 'the Lion', King of Scotland and Avice de Avenel) was born Abt 1170. [Group Sheet]
9. Isabel of Scotland was born Abt 1170 (daughter of William I 'the Lion', King of Scotland and Avice de Avenel). Children:
- Alexander de Roos died Bef 1306.
- William de Roos was born Bef 1200; died Abt 1264; was buried Kirkham, Yorkshire, England.
- 4. Robert de Roos died Bef Nov 1269.
- Peter de Roos
14. Gilbert Fitz Roger Fitz Reinfrid Children:
- 7. Hawise