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grandson-in-law

n. The husband of one's grandson or granddaughter.

Usage examples of "grandson-in-law".

Nor did he say anything of the dreadful turmoil within his own household—of the erratic behavior of his son-in-law, Martha's husband, Thomas Mann Randolph, or of the grandson-in-law, Charles Bankhead, who was subject to violent alcoholic rages.

Nor did he say anything of the dreadful turmoil within his own household--of the erratic behavior of his son-in-law, Martha's husband, Thomas Mann Randolph, or of the grandson-in-law, Charles Bankhead, who was subject to violent alcoholic rages.