Every single detail of de Blasio's life seems engineered to trigger the shit out of us. Here's the Kikepedia rundown:
Bill de Blasio was born on May 8, 1961 in Manhattan's Doctors Hospital in New York City. He was born to Maria Angela (née de Blasio; 1917–2007) and Warren Wilhelm (1917–1979) as their third son. De Blasio has two brothers, Steven and Donald, thirteen and eight years his senior, respectively. His father was of German ancestry, and his mother was of Italian heritage. His maternal grandfather, Giovanni, was from the city of Sant'Agata de' Goti, Benevento, and his grandmother, Anna (née Briganti), was from Grassano, Matera. His paternal uncle, Donald George Wilhelm Jr., worked for the Central Intelligence Agency in Iran and secretly wrote Mohammad Reza Pahlavi's memoir.
Maria de Blasio attended Smith College (1938), served in the Office of War Information during World War II and authored The Other Italy: The Italian Resistance in World War II (1988). His father, a Yale University graduate, worked as a contributing editor at Time Magazine and also served in World War II. He enlisted in the U.S. Army in 1942 and was sent to the Pacific War. During the 82-day Battle of Okinawa, a grenade detonated below his left foot leaving him with an avulsion fracture. After receiving a Purple Heart, he married Maria in 1945, and became a budget analyst for the federal government. During the 1950s–-at the height of the Red Scare–-both Maria and Warren were accused of having a "sympathetic interest in Communism".
In 1966, the family moved to Cambridge, Massachusetts, where he began kindergarten. Although he was originally given the name Warren Wilhelm Jr at birth by his parents, he was called "Bill" or "Billy" growing up and in his personal life. His father became a heavy drinker which caused emotional distress in the family during this time. His parents divorced when he was seven; he and his brother Donald were raised by Maria and her extended family. Recalling his early childhood, de Blasio said "my mother and father broke up very early on in the time I came along, and I was brought up by my mother's family—that's the bottom line—the de Blasio family." His father committed suicide while suffering from incurable lung cancer when he was 18. De Blasio graduated from Cambridge Rindge and Latin School in 1979 where he served in student government and was affectionately known to peers as "Senator Provolone".[a] When he was 22, he adopted his mother's surname because his father was "largely absent," and he wanted to embrace his Italian heritage. He hyphenated it to Warren de Blasio-Wilhelm in 1983, and formally adopted the name Bill de Blasio in December 2001. He received a Bachelor of Arts from New York University, majoring in metropolitan studies, a program in urban studies, and received a Master of International Affairs from Columbia University's School of International and Public Affairs. He is a 1981 Harry S. Truman Scholar.
Tl;dr: Family name possible Ashkenazic. His uncle glowed in the dark. Whole family were based anti-fascist fighters. Single mother. Took her name. Parents were communists. Raised in Faggotstan, MA. Married a sheboon and produced dusky shit kids.