Hun Sen's wife and others: Sok An's real name was Hoa Van Anh and Hok Lundy's real name was Nguyen Van Son
According to what I was told by Pin Chamnan, who was the first woman engaged to be married to Hun Sen, Sam Heang, now known as Bun Rany, nicknamed Heang, who is Hun Sen's present wife, was actually the wife of a top Vietnamese soldier in Cambodia. He was terminally ill in 1979, and before he died, he told Hun Nal (Hun Sen) to take Sam Heang (Bun Rany) as his wife after his death.
According to Mark A, Sam Heang (Bun Rany) was a wife of Do Moi [who was a Vietnamese].
Hun Nal (Hun Sen) cancelled his wedding party with Pin Chamnan immediately after Do Moi died and got married to Sam Heang to keep his promise to Do Moi on his deathbed.
Hun Nal (Hun Sen) later had a love affair with singer Him Sivorn and Sam Heang (Bun Rany) found out and took back a motorcycle that Hun Nal had bought for her (Sivorn). Sam Heang warned her to stop the affair with Hun Sen or face death.
Later on, Hun Sen had an affair with actress Pisith Pilika. Even he was deeply in love with her, he was ordered by Hanoi to banish her or he would be out of the post. Hok Lundy organised the assassination of Pisith Pilika soon after in 1999.
Hun Nal had love affairs (basically had sex) with many other young girls which were arranged by his aides. The girls were kept in a room, with lights off and then Hun Sen came in and attacked them like a mad man. This is well-known within Hun Sen's inner circle.
After Hun Sen had cancelled his wedding with Pin Chamnan to takeover Sam Heang as his wife from a VN Comander, he had arranged a marriage of Pin Chamnan with one of his aides and bodyguards, named Kuch Chantha. Hun Sen had a daughter with Pin Chamnan too. She now lives in California. Hen Sen often gives money to Pin Chamnan to take care of this daughter.
Below is an article by Mark Smith.