Duncan Jones, David Bowie's only son, announced on Twitter Wednesday that the rock legend knew he was going to be a grandfather. Bowie passed away in January, shortly after releasing one last wonderful album: Blackstar.

Jones had previously shared few details about his father's passing—mostly that his final album was a reflection on his legacy and imminent death. It turns out Bowie was able to receive some wonderful news just before the end: that he would be a grandfather, because Jones's wife Rodene is pregnant. Jones tweeted the way he broke the news to Bowie, proving that idiosyncratic humor runs in the family:

Sources: CNN