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Male William IV de Ros Click to view William IV de Ros in the family tree

William IV was born in 1290 in Helmsley,Yorkshire,England.  William IV's father was William III de Ros and his mother was Maud de Vaux.  His paternal grandparents were Robert IV de Ros and Margaret de Brus; his maternal grandparents were John de Vaux and Sibyl UNKNOWN. He had three sisters named Margaret, Agnes and Agnes (Anne).  He was the youngest of the four children.  He died at the age of 52 on February 3rd, 1342.


William IV's family with Margary de Badlesmere

They had a son and two daughters, named Thomas, Elizabeth and Maud.

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