Everyone in my family who is interested in football supports Spurs (except for my mum, she doesn't count as she's Irish and so supports Manchester United, it's either them or Liverpool with that lot). My Nan used to say she supported Millwall but that was just to piss off my grandad, who she hated.
I don't get these new-fangled modern families where you let your kids support whichever team they want. I'm guessing it's because the parents themselves have zero interest in the game and it leads to the idiot cunts choosing Leicester or something. This is a matter where the guidance of a responsible adult is required. "No limitationleather Jnr., I had a childhood of mid-table mediocrity and constant embarrassment and bullying by the Gooner kids at school. Although we did win the League Cup once. It shouldn't be any different for you!" Obviously this is complicated by the fact that we're actually a good side compared to when I was growing up. And even further complicated by the fact that I don't have a child...
Anyway, making a child support a team also eliminates glory-hunting. My family's support for Spurs has been passed down the generations and I think stretches all the way back to the olden days of mid-1961. No idea what led my grandad to select Tottenham as the team we must all follow at that particular point in history, the exact reasoning behind the decision has been lost in the midst of time. But the tradition continues and is passed from father to son (or daughter as well since Bend It Like Beckham came out), more than fifty years on...