Joao I of Portugal
Joao I of was born before 1370.  He died after 1387.

 Inez Perez Esteves
Inez Perez was born before 1370.  She died after 1386.

 Beatriz of Portugal
Beatriz of was born about 1386.  She died on October 23rd, 1439 in Bordeaux, Gascony, Aquitaine, France.  She was buried in Arundel Castle, Sussex, England.