Although some literature gave the pronunciation of '猶介' as 'Yusuke,' it is considered that 'Naosuke' is correct because the name was also written as '尚介' (pronounced as Naosuke) in some other literature.
文献によっては「猶介」に「ゆうすけ」とルビを振っているものもあるが、他に「尚介」の表記も散見されるため、「なおすけ」の読みが正しいとみられる。