1. John Grovale of Harpswell has few details recorded about him.
John Grovale of Harpswell had the following children:
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2. unk GROVALE, daughter of John Grovale of Harpswell, married Sir William Tyrwhitt of Ketilby.
Sir William Tyrwhitt of Ketilby was the son of Robert de Tyrwhitt ( - ) and unk DE BOISTERICK ( - ). He and unk GROVALE had the following children:
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3. Sir Robert Tyrwhitt of Ketilby, son of Sir William Tyrwhitt of Ketilby and unk GROVALE, was a Sheriff of Yorkshire. He died circa 1451. He married Constance ST. QUINTIN.
Constance ST. QUINTIN was the daughter of Sir Anselm St. Quintin of Brandsburton ( - ). She and Sir Robert Tyrwhitt of Ketilby had the following children:
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