[1] He was born in the Elberon section of Long Branch, New Jersey, a son of Isaac Vail Brokaw, who with his brother, William, owned the New York City-based Brokaw Brothers clothing stores from 1856 until his death in 1914.
[2][3] His elder brother Irving Brokaw was a national ice skating champion and competed in the 1908 Summer Olympics, finishing fourth in the men's competition.
He was admitted to the bar in 1912 and continued his legal education with an LLM degree from the University of Toledo College of Law, where he was first in his class, graduating in 1906.
On August 10, 1923, Brokaw married writer Clare Boothe (1903–1987) in Greenwich, Connecticut.
[9][10] Before their divorce, they were the parents of one daughter:[11] On January 10, 1931, Brokaw married Frances Ford Seymour (1908–1950) in a small New York City wedding.