# | Children | Name | Born | Died | Father | Mother |
1 | | | b. 1359 | d. Sep 1388 | PLANTAGENET, John 1st Duke of Lancaster | Marie de St. Hilaire, of Hainaut |
2 | | | b. 1373 | d. 16 Mar 1410 | PLANTAGENET, John 1st Duke of Lancaster | SWYNFORD, Katherine Duchess of Lancaster |
3 | | | b. Abt 1375 | d. 13 Nov 1440 | PLANTAGENET, John 1st Duke of Lancaster | SWYNFORD, Katherine Duchess of Lancaster |
4 | | | b. Abt 1375 | d. 11 Apr 1447 | PLANTAGENET, John 1st Duke of Lancaster | SWYNFORD, Katherine Duchess of Lancaster |
5 | | | b. Abt Jan 1377 | d. 31 Dec 1426 | PLANTAGENET, John 1st Duke of Lancaster | SWYNFORD, Katherine Duchess of Lancaster |
6 | | | b. 1372 | d. 2 Jun 1418 | PLANTAGENET, John 1st Duke of Lancaster | PEREZ, Costanza De Castile & Leon |
7 | | | b. Abt 1372 | d. Yes, date unknown | PLANTAGENET, John 1st Duke of Lancaster | PEREZ, Costanza De Castile & Leon |
8 | | | b. Bef 31 Mar 1373 | d. 2 Jun 1418 | PLANTAGENET, John 1st Duke of Lancaster | PEREZ, Costanza De Castile & Leon |
9 | | | b. 1374 | d. 1375 | PLANTAGENET, John 1st Duke of Lancaster | PEREZ, Costanza De Castile & Leon |
10 | | | b. 31 Mar 1360 | d. 19 Jul 1415 | PLANTAGENET, John 1st Duke of Lancaster | PLANTAGENET, Blanche of Lancaster |
11 | | | b. 1362 | d. 1365 | PLANTAGENET, John 1st Duke of Lancaster | PLANTAGENET, Blanche of Lancaster |
12 | | | b. Mar 1362 | d. 24 Nov 1425 | PLANTAGENET, John 1st Duke of Lancaster | PLANTAGENET, Blanche of Lancaster |
13 | | | b. 1365 | d. 1372 | PLANTAGENET, John 1st Duke of Lancaster | PLANTAGENET, Blanche of Lancaster |
14 | | | b. Bef 4 May 1366 | d. 1367 | PLANTAGENET, John 1st Duke of Lancaster | PLANTAGENET, Blanche of Lancaster |
15 | | | b. 30 May 1366 | d. 21 May 1413 | PLANTAGENET, John 1st Duke of Lancaster | PLANTAGENET, Blanche of Lancaster |
16 | | | b. 1368 | d. 1368 | PLANTAGENET, John 1st Duke of Lancaster | PLANTAGENET, Blanche of Lancaster |