Pedro I de Castile, b: 1334 -


			^{Fernando IV de Castile}^{b.1285 Seville, Spain d.1312 Jaen, Andalusia, Spain}

		^{Alfonso XI de Castile & Leon}^{b.1311 d.1350}	^{Constanza de Portugal}^{b.1290 Lisbon, Portugal d.1313 Sahagun, Leon, Spain}

	^{Pedro I de Castile}^{b.1334 d.1369}

		^{Maria de Portugal}^{b. d.}

^{Isabella de Castile}^{b.1355 Morales, Spain d.1392 Hertford Castle, England}

		^{Juan Garcias de Padilla}^{b. d.}

	^{Maria de Padilla}^{b.1336 d.1361}