|Goel Ratzon was living with 21 women when he was arrested in 2010|
Goel Ratzon, 64, had been convicted of a number of sexual offences including rape, indecent assault and incest.
Israeli media reported that Ratzon had 21 "wives" who bore him more than 30 children.
Ratzon had denied the charges, stating that the women lived with him voluntarily.
The ruling from the Tel Aviv District Court comes four years after Ratzon was arrested in a high profile police operation.
The investigation revealed that Ratzon kept various homes throughout the city of Tel Aviv where women and children lived in "horrible conditions".
Israeli media said that after joining the communal houses the women were forced to break off all ties with their families and friends. That's the definition of a 'cult'.
The court was told that Ratzon also threatened to harm the women and children if they did not obey him.
|Goel Ratzon stands in between police officers in court|
Ratzon threatened to harm his wives and children if they did not obey him
The court was told that the complete control Ratzon had over his wives and children included forcing them to tattoo his name and sometimes his portrait on their bodies.
His children were also named after variations of his first name which means "saviour" in Hebrew.
Following the sentencing, one of Ratzon's ex-partners, identified only as Maayan, told Israeli media: "The only source of happiness is that he would never return to society."
Ratzon was also convicted of defrauding his wives out of their money.