A family member confirmed that Jansen passed away in his New York City home on Sunday.

Authorities responded to a 911 call in the home at around 5:30PM.

No cause of death has been specified and authorities do not suspect foul play.

His girlfriend Catherine Michie shared a tribute to him on her Instagram page.

She uploaded a series of pictures and some of them featured the late actor and her.

She recalled the happy memories they shared even though their relationship was only a year old.

Hayden spoke about the effect of losing custody of her daughter to her ex-boyfriend.

He ex told her that the girl was asking permission from other women to call them ‘mommy’.

She recognized it as a trauma response but her ex simply laughed it off.