Gwillim Ap Griffith Ap Gwilim Ap Gruffydd
Gwillim was born in 1376 in Penrhyn.  He died at the age of 55 in 1431.

 Jonet Stanley
Jonet was born about 1380.  She died in 1466.

 Sir. William Griffith Vychan
William was born about 1400 in Penrhyn LLandygai Caernarvonshire.  He died in 1483.

 Ellen Verch Gwilym Griffith
Ellen was born in 1445 in Penrhyn, Llandegai, Caernarvonshire, Wales.