For a number of years my father was obsessed with genealogy. He uncovered that our Great Grandmother (in the middle with my sister to her right and my brother to her left and me on the concrete), Lucy Meyers, was a Polish Jew.
I recall ultra Zionist Blairite Marko Atilla Hoare questioning my Semitic credentials so let me put this down in writing. I challenge him and any other doubters to a molecular DNA test to determine who is more Semitic. I've been throwing down this gauntlet online for years.
Nobody has taken me up.