What is the proper word for step-grandfather?

[Fu-Fu]

My husband's mother is getting married, and I am not sure what I should have my baby son call her new husband. Would I use Ji-Nai-Nai, or something like Nai-Nai-Fu or Nai-Fu? I do not want my son calling him Ye-Ye, because my husband's dad is Ye-Ye.

Thanks, in advance. If you could help, I would be very appreciative. My Chinese skills, even transliterated, and not even with proper characters, is very poor, so I am only guessing.

[studentyoung]

My husband's mother is getting married, and I am not sure what I should have my baby son call her new husband. Would I use Ji-Nai-Nai, or something like Nai-Nai-Fu or Nai-Fu? I do not want my son calling him Ye-Ye, because my husband's dad is Ye-Ye.

My ~ ~! So complicated! Well, there is no proper none in Chinese for “step-grandfather”. What’s more Chinese people don’t say “奶奶夫/ Nai Nai Fu” or “奶夫 Nai Fu” in their daily life. But I can understand why you don't want your son calling his step-grandfather “ye ye 爷爷”. Ah, but “爷爷”in Chinese can be taken as a title for a senior male sometimes, so maybe you can ask your son call him “A(his surname)爷爷 ( A Ye Ye)”, so that your son can distinguish this A爷爷( A Ye Ye ) with his true grandfather.

Of course, my advice is just for your reference.

Thanks!