In an interview for ET Canada published on Tuesday, the 79-year-old spoke about his own family while promoting the upcoming comedy film About My Father.
When discussing Robert's experiences with fatherhood, the interviewer stated, "I know you have six kids," to which the actor replied, "Seven, actually."
"I just had a baby," he divulged.
Robert did not share any further details, such as the mother of the child. His representative confirmed the news.
Elsewhere in the interview, the Taxi Driver star reflected on the relationships he has with his children.