Takanaka had an adopted son, Tsugunaka ITSUTSUJI (whose biological father was Shigenari OHARA) and biological sons, Yasunaka ITSUTSUJI (who was adopted by Tsugunaka) and Fuminaka NISHIITSUTSUJI (the founder of the NISHIITSUTSUJI family).
養子に五辻継仲（大原重成の子）がおり、子に五辻安仲（継仲の養子となる）・西五辻文仲（西五辻家の祖）がいた。