Mary Constantia Clifford (who married a son of Sir Edward Vavasour, 1st Baronet),[2] Hon.
[4] His maternal grandparents were Cardinal Thomas Weld of Lulworth Castle, and the former Lucy (née Clifford).
[2] Upon the death of his father on 28 February 1858, Clifford succeeded as the 8th Baron Clifford of Chudleigh (and became a hereditary Count of the Holy Roman Empire) and inherited the family seat, Ugbrooke Park in Chudleigh, Devon, an estate of about 8,000 acres (3,200 ha).
[6] The grounds featured what were possibly the earliest plantings of the European White Elm, Ulmus laevis, in the UK.
[8] After a funeral service conducted by the Roman Catholic Bishops of Plymouth and Clifton (his younger brother William), he was buried in the family vault of the private chapel at Ugbrooke.