Complete Peerage of England Scotland Ireland Great Britain and the United Kingdom, by G. E Cokayne,  Sutton Publishing Ltd, 2000 @ VIII:555 (c), VIII:557

The cited information was held in Not Given (Ref: VIII:555 (c), VIII:557) This citation is considered to be direct and primary evidence used, or by dominance of the evidence.
Complete Peerage of England Scotland Ireland Great Britai n and the United Kingdom, by G. E Cokayne,  Sutton Publishi ng Ltd, 2000. 

• References (2)
  • Parent Source: Complete Peerage of England Scotland Ireland Great Britain and the United Kingdom, by G. E Cokayne,  Sutton Publishing Ltd, 2000
  • Individual: Robert de , Lord of Mulgrave Turnham