His parents got engaged on a sky diving trip in 2012. They were then married in October 2015.
In May 2016, his mother announced his birth in the Instagram post captioned "So blessed to welcome our precious son Greyson Valor Mathews."
His older sister, Meilani, was born in 2014.
His parents appeared on the third season of Marriage Boot Camp: Reality Stars alongside Traci Braxton.