When voting in the 2017 New York City mayoral election, Trump penned the wrong birth date for his ballot. According to the New York Daily News, despite being born on June 14, 1946, his ballot application listed July as his birthday, which could have led it to be considered invalid.

The rest of Trump’s family fared no better with their absentee ballots. Trump’s wife Melania failed to sign her ballot, rendering it invalid. His daughter Ivanka mailed hers too late to be counted. His son-in-law Jared Kushner failed to vote at all.

Trump also later registered to vote using the incorrect address.

New York Daily News – Why Melania, Ivanka and Jared’s mayoral election votes didn’t count
Snopes – Reports: Trump Family’s Votes Weren’t Counted in New York Mayoral Election