Rohan Marley has vowed to step up his parenting duties for their five children, who range in ages from five to 15 years old, while Hill is serving three months in prison for tax evasion.
The star has been given until 8 July (13) to turn herself in to authorities, and Marley has assured her he will be as involved as possible when she is behind bars.
He explains, "I will be there for my kids... I will be there even more while she is dealing with this... to make sure that everything is fine."
According to Tmz.com, the children will be living with extended family members during Hill's incarceration.
The Everything Is Everything hitmaker dated Marley for 13 years but they never married. She also has a son named Micah from another relationship.