Nobunaga's Progeny...

Hi... I know I've probably asked this before... but what was the name of the
son of Nobunaga between Nobutada and Katsunaga? I know Nobutaka was eldest,
followed by Nobuo and Nobutada, then there's number 4, followed by
Katsunaga. Who's number 4?! Thanks! :-D
+Tim


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