Tadaoki Hosokawa

Tadaoki Hosokawa (細川 忠興) is Gracia's husband and leader of the Hosokawa clan. He was one of the former Toyotomi generals to join the Eastern Army prior to Sekigahara. Several sources claim that this was due to his wife's infamous death. He is voiced by Kirby Morrow for the English dub in Kessen.

Samurai Warriors
Tadaoki is briefly mentioned in Gracia's story. He was away when the Western Army was trying to her take hostage. His subordinates reflect that Tadaoki ordered them to kill her and themselves in this situation but choose to live with her encouragement. Tadaoki appears in Kojiro's dream stage and brings Gracia with him.

Kessen
In Kessen, Tadaoki is one of Ieyasu's loyal generals. He leads a massive archery and rifle unit, making him a solid offense and defensive unit. Prior to Sekigahara, he requests permission to lead the advance for Mitsunari's camp. He wants to avenge the death of his wife and wears a cross on his shoulder pads in her memory. After Mitsunari's death, he consoles a drunken Fukushima, stating that he should not speak ill of Ieyasu's methods.

Saihai no Yukue
Tadaoki returns for the Eastern Army in Saihai no Yukue. He wants to avenge his wife's death whom he believes died at Mitsunari's hands. He hates his enemy and will not hesitate to charge into the Western Army camp. Some of the Western Army officers call him "inhuman".

Quotes

 * "Naga... Naga Kuroda tricked me. He convinced me siding with Ieyasu would be rewarding. Profit maybe had but there is no honor in this here...!"
 * "Stop! Naga gambles on Lord Ieyasu's ambition. Even though it might mean fighting his own father, Lord Josui..."
 * Fukushima and Hosokawa; Kessen