Jack Ryan Wiki
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This article, Joe Muller, is a stub and may require expansion. Please help out by editing the page.


For the version of the character that appears in the TV Series, see Joe Mueller.

Joseph "Joe" Muller is the father of Cathy Ryan and an unknown daughter and the father-in-law of Jack Ryan, Sr.. He is also the maternal grandfather of Sally Ryan, Jack Ryan, Jr., Katie Ryan, and Kyle Ryan. Joe worked as a Senior Vice President of Merrill Lynch, where his son-in-law worked for four years, before he left.

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