His brother, Luuk, had a tough time winning over the fans last season as he failed to find the back of the net each and every game.
Not a good record for an out-and-out striker.
Siem de Jong was handed his full debut in the Capital One Cup win over Gillingham, but has struggled with lack of fitness.
The 25-year-old, having fully recovered from the calf injury which saw him miss much of pre-season, made his first Premier League start in Saturday's home game against Crystal Palace ... but he was well off the pace.
Alan Pardew says he won’t expect too much, too soon from the Holland international, who suffered a collapsed lung a year ago and missed the first part of former club Ajax’s campaign.
Alan Pardew: “You have to remember he missed a lot of last year.
“And I wouldn’t say he is 100 per cent at the moment in terms of his thinking and his brightness.
“But he’s still a very effective player at 80 or 90 per cent, and I’m pretty sure he will do well here.”