Jeopardy! Teen Tournament
Peter Morris in 1989 and Muffy Marracco Morris in 1992 were the first pair of siblings to appear in the Teen Tournament; they are brother and sister. Peter Morris appeared again in the 1998 Teen Reunion Tournament. Wen Shen in 1990 and Gwen Shen of 1995 were also brother and sister. Lauren Sager (1991) and Deborah Sager (1995) are sisters.  Jay Schrader (2008) and Rob Schrader (2012) are brothers.