Margaret St. Loe

Not mentioned as a daughter of Sir William Kingston in Magna Carta Ancestry: A Study in Colonial and Medieval Families, 2nd Edition, page 378 GoogleBooks

Sir William Kingston, Sheriff of Gloucestershire, Chief Steward of the Tower, Vice-Chamberlain & Comptroller of the Household, Constable of Thornbury Castle, Captain of the Guard, Constable of the Tower was born before 1476 at of Elmore, Haresfield, Painswick, & Moreton Valence, Gloucestershire, England.1,4

He married Anne Berkeley, daughter of Sir William Berkeley, Sheriff of Gloucestershire & Worcestershire and Anne Stafford, before 1502; 1st or 2nd wife. Elizabeth was his 1st or 2nd wife. He married 3rd to Mary Scrope after 1515; she was Edward Jernigan’s widow.

His children were

• 1 son (Sir Anthony) & 2 daughters
• Margaret, wife of Sir John St. Loe; &
• Bridget, wife of Sir George Baynham

However, Anne Berkeley had no issue of her 2nd marriage. If Margaret was a daughter, her mother was apparently Elizabeth, 2nd wife.

http://www.luminarium.org/encyclopedia/kingston.htm

SIR WILLIAM KINGSTON (d. 1540), Constable of the Tower, was of a Gloucestershire family, settled at Painswick. A brother George is mentioned in the inquisition taken after his death.

Kingston was made Controller of the Household 9 March 1539, and Knight of the Garter 24 April following. He had many small grants, and on the dissolution of monasteries received the site of the Cistercian abbey of Flaxley, Gloucestershire. He died at Painswick, Gloucestershire, 14 Sept. 1510, and was buried there. He married, first, Elizabeth, of whom nothing seems known, and by her had Anthony, who is separately noticed, and Bridget, married to Sir George Baynham of Clearwell, Gloucestershire; secondly, Mary, daughter of Sir Richard Scrope of Upsall, Yorkshire, and widow of Sir Edward Jerningham of Somerleyton, Suffolk.

References

• https://our-royal-titled-noble-and-commoner-ancestors.com/p4794.htm...
• http://www.historyofparliamentonline.org/volume/1509-1558/member/ki...
• http://www.historyofparliamentonline.org/volume/1558-1603/member/st... b. c.1501, 1st s. of Nicholas St. Loe of Chew, Som. by Eleanor, da. and coh. of Sir Thomas Arundell. m. Margaret, da. of Sir William Kingston
• According to Magna Carta Ancestry: A Study in Colonial and Medieval Families, 2nd Edition, page 378 GoogleBooks, Anne Berkeley had no issue of her 2nd marriage.