4/20/1556 Nobunaga's father-in-law, Saito Dosan was killed at the Battle of Nagaragawa. Dosan and Hirate Masahide were the only two people who knew Nobunaga's genius. Unfortunately, both suffered tragic deaths before they saw Nobunaga in full glory.
I will post part of a passage from the Chronicle of Lord Nobunaga describing Dosan's death.
(pp.102-3)
"From Yoshitatsu's lines a single horseman, Nagaya Jin'emon, rode forward. And from among Yamashiro's men one mounted soldier, Shibata Kakunai, emerged to take on Nagaya. Between the draw-up ranks of the two armies, these warriors dueled with life or death at stake, and Shibata Kakunai won, earning spectacular fame. Then both sides charged, and a melee resulted. Sparks flew, blades splintered, sword guards were cleft in two; everywhere, men fought for all they were worth. Nagai Chuzaemon took on Dosan, laid hold of him as he was raising his assault sword, and locked him embrace. Just when Nagai had almost succeeded in taking Yamashiro Dosan alive, Komaki Genta, a ferocious samurai, came running up, mowed down Dosan crosswise at the shins, and took his head as he fell prostate. Chuzaemo, keen to get some evidencefor later, sliced Dosan's nose and made off."
Nobunaga no tame!