Richard of Conisburgh, 3rd Earl of Cambridge

Known as the ‘Poorest of the Earls’. Beheaded at age 40 for his part in the Southampton Plot, a conspiracy against King Henry V.

Second son of Edmund of Langley (1st Duke of York) and Isabella of Castile.
Grandson of King Edward III.

Father of Richard of York and paternal grandfather of King Richard III.

Y-DNA STR profile data derived from DNA testing of the remains of his direct male line descendant, his grandson, King Richard III.