Crossword clues for the word: BROTHERINLAW The word BROTHERINLAW has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for BROTHERINLAW Showing 1 to 6 of 6 results Clue(s) "'How come you know so much about the courts, Tarzan?'" Church lawyer perhaps is part of the extended family Detailed transport carrying additional stuff from the bar for sister's partner Endless convey carrying additional stuff from the bar for sister's partner Relative by marriage Wedding acquisition, perhaps?