Sir Sir Richard de Cornwall, Lord of Thunnock
1252 - 1296 (44 years)
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- 1 Sir Sir Richard de Cornwall, Lord of Thunnock [1] b. 1252 d. 1296
- Joan St. Owen b. 1260 d. Yes, date unknown
- 2 Joan de Cornwall [1.1] b. 1273 d. Yes, date unknown
- 2 Lamellen Cornwall [1.2] b. Mar 1291 d. Yes, date unknown
- Sir Sir John de Whalesborough b. 1315 d. 1362
- 3 Margaret de Whalesburgh [1.2.1] b. 1325 d. 1412
- John de Beauchamp b. Abt 1315 d. Abt 08 Apr 1348
- 4 Elizabeth de Beauchamp [1.2.1.1] b. Abt 1340 d. Abt 1410
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- 4 John de Beauchamp [1.2.1.2] b. 1343 d. Yes, date unknown
- 4 Joan Beauchamp [1.2.1.3] b. 1344 d. 1381
- 4 Elizabeth de Beauchamp [1.2.1.1]
- 3 Margaret de Whalesburgh [1.2.1]
- 2 Joan de Cornwall [1.1]