His death came less than a month after his daughter was fatally shot by a Fort Worth, Texas, police officer in her home.
On Oct. 12, Fort Worth police officer Aaron Dean, 34, shot Atatiana Jefferson through a closed window while she was inside her home and playing video games with her 8-year-old nephew.
"Please keep his family in your prayers and tonight make sure you hug and tell your loved ones how much you love them", the family spokesperson Bruce Carter said in a statement.
Carter tells KDFW that Jefferson, 59, 'just couldn't get back from what happened with his daughter'.More news: Cassius Winston's brother Zachary dies after being hit by Amtrak train
Marquis Jefferson suffered a cardiac arrest and was taken to the hospital Friday night, November 8, Carter said.
Marquis Jefferson, 58, and his daughter Atatiana Jefferson, 28.
As rolling out previously reported, Atatiana Jefferson, a pre-med graduate of Xavier University in New Orleans, had recently moved in with her ailing mother in Fort Worth.
The officer was charged with murder in the October 12 shooting death of 28-year-old Atatiana Jefferson - a case that has drawn national attention.More news: Dolly Parton's "Heartstrings" trailer released
"He was battling to be a part of her life to the end", Carter told CNN on Sunday. Jefferson and attorneys for his daughter's relatives ultimately reached a confidential agreement and Atatiana's funeral was rescheduled and held October 24.
A neighbor had called a police non-emergency line to report that Jefferson's front door was open.
After Aaron and his partner circled the perimeter of Jefferson's home, she grabbed a handgun from her purse after hearing a noise.
Since the unfortunate death of his daughter Atatiana Jefferson, the officer who fired the shot was forced to resign and is facing a murder charge.More news: Statistics Canada: B.C. unemployment rate best in country
Body-camera footage, released by the police and shared by multiple outlets, showed two officers walking around the side of the house as one officer approached a closed first-floor window with a flashlight.