Can I get German pass prts for my dc :, half German dad and granny German?

[Germanpassport]

I have tried to un pick the info on the website and it's confusing me with citizenship etc.

I just want go see if we can apply for passports for them. When dh was young he once had a German pp

@londonmummy1966@londonmummy1966@londonmummy1966 thanks apologies for all the tags I find once it's there you can't delete it!

I guess there are many variables to this.
My dh dm is German and he has a German passport at some stage as a child. Maybe they through all these hoops back then.