NintendoCapriSun mentions his family very often in his videos while telling stories or sometimes v-logging. He most often talks about his parents and his sister Mary. His parents are divorced and all of his grandparents have passed away.
Tim's sister is probably the most often mentioned in stories. She created the Waterhands with Tim in 1993 and set up their Art Shop in 2013.
Tim's father is also often mentioned and appears in a BreakingNCS video (Click Here). He is sometimes called NintendoCapriDad.