Benson held back tears today as he described what it was like to hold baby Iver for the first time.
"It was incredible. He is really small and tiny and just really cute. You know he is obviously very fragile because he is so small. It's an experience I'll never forget," said Benson.
Baby Iver was born 12 weeks early and will have to spend the next eight to 12 weeks in hospital.
Mother kept on life-support
Robyn Benson, 32, was five months along in her pregnancy in late December when she complained of a headache just before collapsing from a brain hemorrhage.
She was rushed to hospital unresponsive and declared brain dead the next day. Doctors had been keeping her body functioning until the baby could be delivered.
On Saturday night, doctors performed a caesarean section. On Sunday, the woman was taken off life-support and died.
Benson waited until Monday to announce his son's arrival — and his wife's passing — on Facebook. The high school sweethearts were married last July, after dating for 16 years.
"My beautiful and amazing son, Iver Cohen Benson, was born. Iver is healthy and is the cutest and most precious person I have ever met," wrote Benson.
"On Sunday, we had to unfortunately say goodbye to the strongest and most wonderful woman I have ever met. I miss Robyn more than words can explain. I could not be more impressed with her strength, and I am so lucky to have known her. She will live on forever within Iver, and in my heart."
A fund set up to help Benson raise his son has grown to more than $150,000, which is four times the original goal.