About Ellen Travers Berlin (Mackay)
Clarence Hungerford Mackay (April 17, 1874 – November 12, 1938), was Ellin Mackay's father. He was an American financier, believed to inherit most of a $500 million estate from his father in 1902.
In 1926, Clarence Mackay's daughter Ellin Mackay married Irving Berlin against her father's wishes and he disinherited her. Ellin Travers Mackay was Irving Berlin's second wife. Berllin was born Israel Baline in 1888.