Constance de Castilla
1354 - 1394 (40 years)(
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- 1 Constance de Castilla [1] b. 1354 d. 24 Mar 1394
- + 1st Duke of Lancaster John of Gaunt Plantagenet b. 24 Jun 1340 d. 4 Feb 1399
- + 1st Duke of Lancaster John of Gaunt Plantagenet b. 24 Jun 1340 d. 4 Feb 1399