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Male William de Ros III of Belvoir Baron Ros Click to view William de Ros III of Belvoir Baron Ros in the family tree

William de Ros III of Belvoir was born in Yorkshire, England.1   William de Ros III of Belvoir's father was Sir Robert de Ros IV of Belvoir Baron Ros.  His paternal grandparents were William I of Hamlake de Ros and Lucia of Brecknock FitzPiers.  He was an only child.  He died on August 15th, 1316.  He was buried in 2nd Baron.  Lord Ros of  Helmsley..1 1 

Family Details of William de Ros III of Belvoir's family with Maud de Vaux

1 Johnson.FTW
Further source/citation:
1144734.FTW

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