Bill de Blasio

by andrew on November 6, 2013

2013 National Puerto Rican Day Parade

Birth Name: Warren Wilhelm, Jr.

Place of Birth: New York City, New York, U.S.

Date of Birth: May 8, 1961

*German, English, French-Canadian, French, Welsh, distant Irish, Belgian/Walloon, Swiss-German, and Dutch, possibly 1/512 Iroquois Indigenous Canadian (father)
*Italian (mother)

Bill de Blasio is an American politician. A Democrat, he has served as Mayor of New York City, since January 1, 2014. He was previously the 3rd Public Advocate of New York City, from January 1, 2010 to December 31, 2013.

Bill’s father, Warren Wilhelm, a veteran, had German, English, French-Canadian, French, Welsh, and distant Irish, Belgian (Walloon), Swiss-German, Dutch, and possibly 1/512 Iroquois Indigenous Canadian, ancestry. Bill’s mother, Maria/Mary Angela (de Blasio), was of Italian descent. Bill was brought up by his mother’s family.

Bill is married to activist and poet Chirlane McCray, who is African-American. The couple has two children. Bill is fluent in Italian.

Bill’s paternal grandfather was Donald/Donaldson George Wilhelm (the son of John Ricart Wilhelm and Agnes May Marantette/Marentette). Donald was born in Ohio. John was of German descent, the son of Adam Wilhelm and Mary Ann Ricart/Rikart. Agnes was of French-Canadian ancestry, the daughter of Patrick Godet dit Marentette, from Assumption, Essex, Ontario, Canada, and of Françoise/Frances Mouton.

Bill’s paternal grandmother was Nina May Warren (the daughter of Solomon Sangston Warren and Emma Jane Prettyman). Nina was born in Iowa. Solomon was the son of WIlliam H. Warren and Helen Lutz. Emma was the daughter of Lewis Wyatt Prettyman and Hannah Rebecca Kintigh.

Bill’s maternal grandfather was Giovanni “John” de Blasio (the son of Simone de Blasio). Giovanni was born in Sant’Agata de’ Goti, Province of Benevento, Campania, Italy.

Bill’s maternal grandmother was Anna Briganti (the daughter of Innocenzo Briganti and Maria Schiavone). Anna was born in Grassano, province of Matera, Italy.

Sources: Genealogy of Bill de Blasio –

Genealogy of Bill’s paternal grandfather, Donald/Donaldson George Wilhelm (focusing on his own mother’s side) –

Genealogy of Bill’s paternal great-grandfather, John Ricart Wilhelm (focusing on his own father’s side) –

Death records of Bill’s paternal great-great-grandparents, Lewis Wyatt Prettyman and Hannah Rebecca Kintigh –

Bill’s mother on the 1930 U.S. Census –

Photo by PrPhotos

{ 14 comments… read them below or add one }

neiltennant December 30, 2017 at 9:08 am

HE HAS an Italian name and looks Italian American ..

andrew December 30, 2017 at 8:46 am

genealogy of Bill’s paternal grandfather, Donald George Wilhelm (focusing on his mother’s side) – ttp://

genealogy of Bill’s paternal great-grandfather, John Ricart Wilhelm (focusing on his father’s side) –

Bill’s paternal great-great-grandparents, Lewis Wyatt Prettyman and Hannah Rebecca Kintigh, at FindAGrave –

andrew December 30, 2017 at 8:49 am
andrew January 6, 2017 at 1:47 pm

Bill’s mother, Maria/Mary De Blasio, on the 1930 U.S. Census:

madman September 27, 2016 at 8:29 am
follers January 8, 2017 at 3:26 am

What is the fraction of the alleged Iroquois ancestry?

madman January 8, 2017 at 7:11 am

1/1024th. So Bill’s father is 1/512th Iroquois if the genealogy is correct.

andrew December 30, 2017 at 8:19 am


why are you alwais sceptical about any Native American ancestry?

andrew March 2, 2016 at 5:21 pm

Anna Briganti (the daughter of Innocenzo Briganti and Maria Schiavone)

Taylor December 15, 2013 at 2:43 pm

Hey Ethnicelebs, do some research, he has a daughter and a son, not two boys

Taylor December 15, 2013 at 2:41 pm

I love this man. He and his family are beautiful

follers December 8, 2013 at 4:43 am

More information about his father’s side now, Andrew.

andrew December 8, 2013 at 6:27 am

quite obvious. A surname doesnt mean much (Wilhelm). That’s why these people should be just considered Americans since they have most European ethnicities inside them

J.J. November 6, 2013 at 6:52 am

correction; his eyes are green and his hair is dark brown (brunet) (greying)

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