Robert is your mother's brother

A form of Robert's your mother's brother — Synonym of Bob's your uncle.

Meanings

phrase
  1. alternativeAlternative form of Robert's your mother's brother.

    There are several merchant vessels in the harbour and I am sure one of them must be headed towards Sing City. All I have to do is explain that I am a monk of the brotherhood and Robert is your mother’s brother.

    2015, Allan Boroughs, “You’re Supposed to Be Dead”, in Bloodstone, London: Macmillan Children’s Books, →ISBN, page 139
    2 more examples

    DO you know that the Kensington Goldsmiths Co. Ltd. have opened their premises at 22, Kensinsgton Church St. You will be surprised at their reasonable prices, & if you have gold or silver to sell, Robert is your mother’s brother.

    1947 May 10, “Personal”, in Kensington Post & West London Star, number 5765, Kensington, →OCLC, page 6, column 8

    This last is the crucial point. If you can change the I register to point to your own routine, Robert is your mother’s brother. Cracking this is by no means easy, but there are plenty of books around that supply the information.

    1984 September 15, “Routine Inquiries”, in Peter Worlock, editor, Personal Computer News, number 78, London: VNU Business Publications, →ISSN, →OCLC, page 10, column 3
Cite this entry
APA

Robert is your mother's brother. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Robert%20is%20your%20mother's%20brother

MLA

“Robert is your mother's brother.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Robert%20is%20your%20mother's%20brother. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Robert is your mother's brother,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Robert%20is%20your%20mother's%20brother.

Source: Robert is your mother's brother on Wiktionary, CC BY-SA 4.0.