┌─Geoffrey de Barnardiston ⇒
┌─Thomas de Barnardiston
│ └─de Newmarch ⇒
┌─Thomas Barnardiston
│ │ ┌─William Willoughby
│ └─Margaret Willoughby
┌─Walter Barnardiston
│ │ ┌─Robert Havering
│ └─Lucy Havering
John Barnardiston
│ ┌─Thomas Kingsman
└─Frances Kingsman