Genovese;
Joseph Barone Jr.
Vincent Cafaro (father)
Joseph Valachi (son-in-law, bro-in-law)
Vincent Fyfe (V.Gigante nephew)
--
Gambino;
Anthony Ruggiano Jr.
John Gotti Jr.
Craig DePalma
Michael DiLeonardo (bro-in-law, grandson)
Frank Fappiano (brother-in-law)
--
Colombo;
Michael Franzese
John Franzese Jr.
Gregory Scarpa Sr. (father)
Gregory Scarpa Jr.
John Pate (brother)
Sebastiano Saracino (brother)
Carmine Sessa (brother)
Rocco Cagno (brother)
Joseph Cantalupo
William Cutolo Jr.
--
Bonanno;
Joseph Massino (bro-in-law)
Salvatore Bonanno
Paul Cantarella
Richard Cantarella (nephew)
Joseph D'Amico (nephew, cousin)
Salvatore Vitale (bro-in-law)
Frank Lino (father)
--
Lucchese;
Anthony Accetturo Sr (father)
Anthony Accetturo Jr
Frank Gioia Sr (father)
Frank Gioia Jr
Thomas Riccciardi (brother, cousin)
Al D'Arco (father)
Joseph D'Arco
Vincent Salanardi (son, cousin)
--
DeCavalcante;
Anthony Rotondo
Vincent Palermo (son-in-law)
--
Bufalino;
Joseph LaTorre
Steven LaTorre
--
Philadelphia (Bruno);
Philip Leonetti (nephew)
Thomas Scafidi
Rocco Scafidi
Harry Riccobene
Gino Milano (brother)
Lawrence Merlino (brother, uncle)
Salvatore Grande (brother, father)
--
San Jose (Cerrito);
Peter Misuraca
--
Chicago (Accardo);
Nicholas Calabrese (brother)
Frank Calabrese Jr
--
Detroit (Zerilli);
Nove Tocco
--
New England (Patriarca);
Vincent Teresa (nephew)
Robert Luisi (father, brother)
Francis Salemme (brother)
James Flemmi
Steven Flemmi (2 brothers)
--
Kansas City (Civella);
Joseph Gurera (nephew)
Joseph Crapisi
--
There are more I'm certain. But this is just off the top of my head. (I listed others related as well as you can see; nephews, brothers, etc). All related one way or another.

Note: additional names have been added to this list with the help of Furio, Memphis, and of course dsd.