Gypsy Rose Blanchard’s ex-fiancé, Ken Urker, has died at the age of 33 ... TMZ has learned. 

Family sources tell TMZ ... Ken was found unresponsive Thursday in Louisiana, on his birthday.

We're told Gypsy texted Ken 'Happy Birthday' but did not get a response, and that Gypsy's brother Dylan later discovered him in the home.

Gypsy and Ken started dating after her split from her ex-husband, Ryan Anderson.

Ken and Gypsy got engaged while she was behind bars. They then split and Gypsy married Ryan … who later split and she got back with Ken.

Ken and Gypsy Rose share a daughter named Aurora Raina Urker, who was born in December 2024.

We've reached out to Gypsy and Ken's family ... so far no word back

Ken was 33.

RIP