Rudy Giuliani married Regina Peruggi in 1968, who was his second cousin. They were married for 14 years before their marriage was annulled.
In 1968, he married his second cousin, Regina Peruggi, who was the daughter of his father's first cousin. In 1975, they had agreed to a trial separation. Their marriage legally ended in two ways - a civil divorce was issued by the end of 1982 and with Roman Catholic church annulment. The Catholic Church annulled it because the couple had not obtained a church dispensation required when second cousins marry. According to the New York Times, he said he was under the impression that they were third cousins because he never calculated consanguinity lines.