>>Shouldn't that be the well known couple Patrick FitzGerald and Gerald FitzPatrick ?
>
>I don't get it?
>
>I just did a web search on those names and didn't come across anyone famous in any way (except for maybe a lawyer and a football coach).

Look more closely at the names. This is nothing about real people, just the construction of those names.

Tamar

P.S. Though not relevant to the joke, it's my understanding that the "Fitz" prefix originated to indicate the illegitimate son of the person named.