PEDRO I ALFONSEZ KING de CASILE & LEON
PEDRO I ALFONSEZ KING de CASILE & was born on August 30th, 1334 in Burgos, Burgos, Spain.^1 1 

 MARIA JUANA de PADILLA
MARIA JUANA was born about 1334 in Seville, Seville, Spain.¹   She died in July 1361.¹ 

 CONSTANZA PEREZ de CASTILE & LEON
CONSTANZA PEREZ de CASTILE & was born in 1354.¹ 

 ISABEL de LEON & CASTILE
ISABEL de LEON & was born in 1355 in Morales, Tordesillas, Villadolid, Spain.¹   She died at the age of 37 on December 23rd, 1392 in Church de Dominicans, Langley, Hertfordshire, England.¹