 In November 2007 <unk> published several poems under the pen name Jacob <unk> – a combination of his middle name and the Jewish version of his mother 's maiden name <unk> – in <unk> , an underground fashion magazine . He has a close friendship with his Harry Potter co @-@ stars Tom <unk> and Emma Watson , and is tight @-@ knit with his family , whom he credits for keeping him grounded . 
