Joan De Joinville
- 1356(
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- 1 Joan De Joinville [1] d. 19 Oct 1356
- 1st Earl of March Roger De Mortimer, I b. 03 May 1287 d. 29 Nov 1330
- 2 Roger De Mortimer, II [1.1] b. Abt 1305
- Joan De Botiller
- 3 Roger De Mortimer, III [1.1.1] b. Abt 1333
- Margaret Menteith b. Yes, date unknown
- 4 Janet De Mortimer [1.1.1.1] b. 1359
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- 4 Janet De Mortimer [1.1.1.1]
- 3 Roger De Mortimer, III [1.1.1]
- 2 Roger De Mortimer, II [1.1]