嫡孫 ちゃくそん noun (common) (futsuumeishi) 嫡孫ちゃくそん Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) eldest son's descendants 漢字 kanji used 嫡 legitimate wife, direct descent (non-bastard) 14画 孫 grandchild, descendants 10画