However , the male line died out on his death in 1814 , when the Radclyffe titles became technically extinct .
James 's son Anthony succeeded in the titles on his father 's death in 1787 .
The male line died out on James ' death in 1814 , when the Radclyffe titles became technically extinct .
James 's son Anthony succeeded in the titles on his father 's death in 1787 .