India, May 26 -- YouTube's biggest star is stepping back from one of his most personal projects. PewDiePie has announced that he and his wife Marzia Kjellberg will stop uploading their family vlog series later this year and the reason comes down to one thing, to protect their young son's privacy.

In a YouTube video titled "Ending the vlogs," uploaded on May 23, PewDiePie, whose real name is Felix Kjellberg told his audience that the couple plans to wrap up the series in September, nearly four years after they first started documenting their life in Japan.

The creator said the driving force behind the decision was his three-year-old son Bjorn becoming too central to the content as he gets older. "Now he's 3 years old and we feel like it'...