Mashell.com

The cited information was published by 27 Sep 2000; http://www.mashell.com/~madison/ The author/originator was Madison, Kitty.
Madison, Kitty. 

• References (7)
  • Family: Joan de Clare
  • Family: Joan de Clare
  • Individual: John (1st Earl of Somerset) Beaufort
  • Individual: Baron Ralph de Monthermer Earl of Hertford
  • Individual: Joan de Clare
  • Marriage / Union: Joan de Clare
  • Marriage / Union: Joan de Clare