The WWE undisputed Champion Roman Reigns was born as Leati Joseph ‘Joe' Anoa`i on May 25,1985, to the Hall of Famer father, Leati “Sika” Amituana`i Anoa`i and mother, Patricia Anoa`i. He is the well known American professional wrestler, former American football player, five times heavyweight champion and holds record for being the longest reigning World Champion in the WrestleMania era.
Who is Roman Reigns’ sister?

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Roman Reigns originally had 4 siblings, an elder brother Matthew Tapunu aka Rosey and three sisters who's names are Vanessa, Mytriza and Summer.
Although some reports suggest Roman Reigns's mother, Patricia Anoa`i raised Roman and his siblings as a single mother after having separated from her husband, but the entire details of their family is left to speculations as
Roman Reigns prefers to keep his family matters away from spotlight.

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According to one report by wattpad.com, Roman Reigns also has a twin sister, Honey Reigns, which apparently Roman was not aware of since his father had guarded this secret from him. But these might be rumors since Roman Reigns has actually never come on record to confirm it.

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Some reports on Quora also claim Roman Reigns has a younger sister named Joelle Anoa`i who is also involved in the wrestling business for many years. Apparently, Joelle was part of the Total Divas cast in 2018.
The Usos break down the Anoa’i/Fatu family tree
While some reports also claim Roman Reigns’ other sister, Vanessa Anoa`i to be a professional wrestler as well who performs under the ring name “Vanessa Borne”. Vanessa is claimed to have worked for various wrestling promotions, including WWE NXT and WWE SmackDown.
Roman Reigns Family With Parents, Wife, Son, Daughter, Brother, Sister & Cousin
Roman Reigns had an elder brother Matthew who was also a professional wrestler. Matthew, however, died of a heart attack. He left behind his widow, Amanda Schall and three children. Not much is known about the details of Roman Reigns family since the Tribal Chief prefers to keep his family away from the spotlight.