Pedro I "The Cruel" of Castile, b: 1334


			^{Ferdinand IV of Castile}^{b.1285 Seville, Spain d.1312 Jaen Granada, Spain}

		^{Alphonso XI of Castile}^{b.1311 Salamanca, Leon, Spain d.1350 Gibralter, Spain}	^{Constance of Portugal}^{b.1289 Portugal d.1313}

	^{Pedro I "The Cruel" of Castile}^{b.1334 Castile & Leon, Spain d.1368}		^{Alphonso IV of Portugal}^{b.1290 Portugal d.1357 Lisbon, Portugal}

		^{Maria of Portugal}^{b.1313 Portugal d.1356}	^{Beatrice of Castile}^{b.1293 Castile d.1359}

^{Isabel Perez of Castile}^{b.1355 Castile & Leon d.1393}			^{Garcia Lopez de Pedilla}^{b.1256 d.1336}

		^{Juan Garcias de Pedilla}^{b.1300 d.1355}

	^{Maria de Pedilla}^{b.1335 d.1361}		^{Fernan Gonsalez de Henestrosa}^{b. d.}

		^{Maria de Henestrosa}^b.1305 d.	^{Maria Arias de Asturias}^{b. d.}