Andrew Giuliani had the name ID and his famous father. He just didn't have the votes.

If this year's Republican primaries are a barometer of the Trump brand's continued salience in the party, the New York race was unique in that it extended to the legacy of his most colorful lawyer, former New York City Mayor Rudy Giuliani.

source https://www.politico.com/news/2022/06/29/andrew-guiliani-second-place-new-york-00043303