Earl of Mellent Roger de NEWBURGH
 | ? | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Henry de NEWBURGH
  | Margaret de MORETON
 | Earl of Warren WILLIAM
 | ? | | | | | | | | | | | | | | | | | Roger de NEWBURGH
  | Gundred de WARREN
  | John de HARCOURT
 | ? | | | | | | | Waleran de NEWBURGH
  | Alice de HARCOURT
  | | | | Alice de NEWBURGH
 | Partners | Child/Children |
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Lord Chamberlain of Exchequer William MAUDUIT (? - 1257) | Isabel MAUDUIT (1227 - 1268)
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