Sam Kerr and Daniel Kerr - Fooball and AFL
Sam is is star for Perth Glory and has 43 Matildas games to her name, while Daniel is one of the greatest players in West Coast Football Club history, winning a premiership in 2006.
Sara Blicavs and Mark Blicavs - Basketball and AFL
Height and talent clearly run in the family, with Sara and Australian Institute of Sport graduate playing for the Dandenong Ranges and her brother Mark the current ruckman for Geelong Football Club. Sara will represent the Opals in Rio, continuing a family legacy - father Andris and mother Karen are both Olympic basketballers.
Gretel Tippett, Kurt Tippett, and Joel Tippett - Netball/Basketball and AFL
Another family of basketball and AFL stars, Gretel is a former WNBL player that made the switch to netball, and is now representing the Queensland Fire in the ANZ Championship. Kurt plays for the Sydney Swans, while Joel is on North Melbourne’s list.
Bianca Giteau and Lance Franklin - Netball and AFL
A former Australian under 21 netball rep, Giteau also forms part of another star sporting family - her husband is Wallabies legend Matt Giteau. Franklin, an AFL legend, is a former Hawthorn premiership player now taking the field for Sydney.
Kristy Giteau and Matt Giteau - Rugby Union
Not only do these two share a surname - they also share a sport. Kristy was a member of the 2010 Women’s Rugby World Cup, while Matt has earned 102 caps for the Wallabies.
Justine Mowen and Jordan Mowen - Beach Volleyball
Team Mowen is currently competing for the chance to represent Australia in Rio.
Shellie Davis and Danielle Davis - Touch Rugby
Danni, 21, and Shellie, 18, wore the green and gold together for the first time in the recent Trans Tasman series.
Jess Trengove and Jack Trengove - Marathon and AFL
Jess is a marathon runner that raced in London and will compete in Rio, while Jack is a number two draft pick currently playing for the Melbourne Football Club. Two fun facts - Jack gained permission from the club to travel to watch his sister run at the Glasgow Commonwealth Games, while the pair also have created the Rundies Undies brand - undies for runners.
Cate Campbell and Bronte Campbell - Swimming
Australia’s reigning Queens of the Pool, the Campbells are front and centre of Australia’s gold medal hopes in Rio.
Emma McKeon and David McKeon - Swimming
Another set of swimming siblings looking to take home Olympic gold this year.
Meg Lanning and Anna Lanning - Cricket
Meg, widely considered the world’s best female cricketer, gets the headlines, but Anna is a handy cricketer in her own right, with the pair both playing for the Melbourne Stars in the WBBL.
Alex Blackwell and Kate Blackwell - Cricket
Another pair of cricketing sisters, the Blackwells are the first female set of twins to play for Australia, doing so in all three forms of the game.
Carmen Marton and Caroline Marton - Taekwondo
Just imagine the fights these two would have had growing up… The sisters will both be fighting for a place on the dais in Rio 2016 after qualifying for the team. Meanwhile, their younger brother Jack is on standby as an emergency.
Michelle Carney and David Carney - Football
The Carneys were never short of a training partner growing up, with the duo soccer mad from a young. Michelle is currently signed to the Western Sydney Wanderers, while David is a former Socceroo playing for Sydney FC.
Chloe Espostio and Max Esposito - Pentathlon
— Chloe Esposito (@chloeesposito91) November 28, 2015
The pair were the first Australian athletes to book their spots on the plane at Rio.
Annette Edmondson and Alex Edmondson - Cycling
These two probably asked for a bike for Christmas every year from the time they could ride. They’re both wheely good at cycling (sorry, we couldn’t help ourselves), with Annette picking up bronze in the women’s Omnium at the London Olympics. Alex rides for Orica Green-EDGE, and is a former World Champion in Individual Pursuit
Sara Tomic and Bernard Tomic
Eighteen year old Sara is slowly climbing the world tennis rankings, earning her first ever professional title in June 2015, while Bernard is Australia’s highest ranked player, currently sitting at 17.