| Parent
|
Children
|
Sport(s)
|
Country of origin
|
| Archie Manning
|
Peyton Manning, Eli Manning
|
American football
|
 United States
|
|
|
Predrag Manojlović, Nenad Manojlović
|
Water polo
|
 Serbia
|
| Nigel Mansell
|
Leo Mansell, Greg Mansell
|
Auto racing
Road bicycle racing
|
 United Kingdom ( England, Isle of Man)
|
|
|
Diego Maradona, Hugo Maradona, Raúl Maradona
|
Association football
|
 Argentina
|
| Diego Maradona
|
Diego Sinagra
|
Association football / Beach soccer
|
Argentina
 Italy
|
| Kevork Mardikian
|
Mardik Mardikian
|
Association football
|
 Syria
|
|
|
Anne Kristi Marken, Ingeborg Helen Marken
|
Cross-country skiing, alpine skiing
|
 Norway
|
| Dmitri Markov
|
Oleg Markov
|
Pole vault / Australian rules football
|
 Belarus
 Australia
|
|
|
Marc Márquez, Álex Márquez
|
Motorcycle racing
|
 Spain
|
|
|
Barry Markus, Kelly Markus
|
Cycle sport
|
 Netherlands
|
| Alvin Martin
|
David Martin, Joe Martin
|
Association football
|
United Kingdom ( England)
|
| Neil Martin
|
Dan Martin
|
Cycle sport
|
Great Britain ( England)
 Ireland
|
|
|
Pierluigi Martini, Oliver Martini
|
Motorsport
|
Italy
|
|
|
Matteo Marsaglia, Francesca Marsaglia
|
Alpine skiing
|
Italy
|
| John Barasa Masai
|
Moses Ndiema Masai, Linet Masai, Dennis, Ndiema and Magdaline
|
Track and field
|
 Kenya
|
| Greg Massialas
|
Alexander Massialas
|
Fencing
|
 Greece
 United States
|
|
|
Matthew Massie, Nicholas Massie
|
Professional wrestling Tag team
|
United States
|
|
|
Mario Matt, Andreas Matt, Michael Matt
|
Alpine skiing / Ski cross / Alpine skiing
|
 Austria
|
|
|
Barbara Matić, Brigita Matić
|
Judo
|
 Croatia
|
| Maria Mattheussens-Fikkers
|
Marieke Veenhoven-Mattheussens
|
Field hockey
|
Netherlands
|
| Bruce Matthews
|
Kevin Matthews, Jake Matthews
|
American football
|
United States
|
| Clay Matthews Sr.
|
Clay Matthews Jr., Bruce Matthews
|
American football
|
United States
|
| Clay Matthews Jr.
|
Clay Matthews III, Casey Matthews
|
American football
|
United States
|
| Mavuba Mafuila
|
Rio Mavuba
|
Association football
|
 Zaire
 France
|
| Martin Max
|
Philipp Max
|
Association football
|
 Germany
|
| Butch May
|
Misty May-Treanor
|
Volleyball
|
United States
|
| Helmut Mayer
|
Matthias Mayer
|
Alpine skiing
|
Austria
|
| Matthew Maynard
|
Tom Maynard
|
Cricket
|
England
 Wales
|
| Floyd Mayweather Sr.
|
Floyd Mayweather Jr.
|
Professional boxing
|
United States
|
| Mazinho
|
Thiago, Rafinha
|
Association football
|
 Brazil
Spain
|
| Andy McCall
|
Stuart McCall
|
Association football
|
United Kingdom ( Scotland)
|
|
|
John McEnroe, Patrick McEnroe
|
Tennis
|
United States
|
| McLean family
|
|
Rugby union
|
Australia
|
| John McGeady
|
Aiden McGeady
|
Association football
|
United Kingdom ( Scotland)
Ireland
|
| Felix McGrath
|
Atle Lie McGrath
|
Alpine skiing
|
United States
Norway
|
|
|
Mark McGwire, Dan McGwire
|
Baseball / American football
|
United States
|
| Shirley McIntosh, Donald McIntosh
|
Jennifer McIntosh, Seonaid McIntosh
|
Shooting sports
|
Great Britain ( Scotland)
|
| Ron McKeon
|
Emma McKeon, David McKeon
|
Swimming
|
Australia
|
|
|
Steve McKinney, Seth McKinney
|
American football
|
United States
|
| McMahon family
|
|
Professional wrestling
|
United States
|
| Stuart McManus
|
Sara McManus
|
Association football / Curling
|
United Kingdom ( Scotland)
 Sweden
|
| Hammy McMillan
|
Hammy McMillan Jr.
|
Curling
|
Great Britain ( Scotland)
|
| Jimmy McRae
|
Alister McRae, Colin McRae
|
Rallying
|
United Kingdom ( Scotland)
|
|
|
Loïc Meillard, Mélanie Meillard
|
Alpine skiing
|
 Switzerland
|
|
|
Kerrie Meares, Anna Meares
|
Cycle sport
|
Australia
|
|
|
Roger Mears, Rick Mears
|
Auto racing
|
United States
|
