 Through his youngest son Clarence, he was a grandfather of Herbert Claiborne Pell (1853–1926), who married Katherine Lorillard Kernochan.They were the parents of Clarence Cecil Pell (1885–1964) and Herbert Claiborne Pell Jr., a U.S. Representative and U.S.Ambassador to Hungary and Portugal, himself the father of Claiborne Pell, the U.S.