otoson是什么意思

Like -san, 子 was an honorific in the past (孔子，老子，孟子 etc...). In Cantonese, many people still call their parents, 老头子，老妈子。I was wondering if there's any connection between the Japanese o-too-san o-kaa-san and 老头子 老妈子, and also o-jii-san 老爷子。Just some wild thought...