Amir is married to Larisa Trembovler, who was born in Russia. She has a Ph.D. in philosophy. She has published a novel in Russian ("A Mirror for a Prince"), and is an Orthodox Jew. She met Amir in Latvia, where he was teaching Judaism. After her immigration to Israel, she visited Amir with her then-husband, Benjamin (with whom she has four children), for humanitarian reasons. She expressed ideological support for Amir, and they began to correspond and speak on the phone. She divorced Benjamin in 2003.