Jacob can be spelled ジェーコブ in Japanese katakana.
Jakob Arjouni's birth name is Jakob Michelsen.
Jakob Sanders's birth name is Jakob Bailey Sanders.
Jakob Rittig's birth name is Jakob Fibiger Rittig.
Jakob Dylan's birth name is Jakob Luke Dylan.
Jakob Foged's birth name is Jakob Worre Foged.
Glen Jakob's birth name is Glen Jakob Mandalinic.
Jakob Gimpel's birth name is Gimpel, Jakob Bernard.
Jakob Granqvist's birth name is Jakob Eemil Granqvist.
Icek Jakob Fiszmann's birth name is Icek Jakob Fiszmann.
Jakob Riis Kristoffersson's birth name is Jakob Riis Srensen.
The German version of the name "Jacob" is "Jakob", it is pronounced "Yac-ob".
That all depends on what your name is.