Spoiler warning: Plot and/or ending details follow.
J'Ula was a Klingon female and older sister of T'Kuvma. She was born as a member of House of Girjah but became a matriarch of the House of Mo'Kai. (DSC - The Light of Kahless comic: "Issue 1", STO video game: Age of Discovery)
While facing down a Starfleet fleet at Starbase 1 in 2256 aboard the IKS Lukara, J'Ula's attempt to use mycelial technology ended up transporting many of the surviving vessels and their crews, both Klingon and Federation, to the early 25th century. (STO video game: Age of Discovery)