And the Ireland star believes that French blood is apparent in his game.
"I'd say my background does come into my style of play, my family would be very expressive, and I think you can see it in my personality and my character that I play the way I am behind closed doors," said Zebo, who scored nine tries in 14 GUINNESS PRO12 appearances last season.
"So I just go out, try to enjoy myself and execute the skills to try to help the team.
"I've played against France before, so the surprise element to it is gone, and my family is the same, but if selected it would be a great occasion to play against my second country.
"I haven't spoken to my dad much this week, but I think he will have his Irish jersey on this weekend!"
Victory for Ireland against France at the Millennium Stadium will ensure they finish top of Pool D and meet Argentina in the quarter-finals, rather than world champions New Zealand.
And Zebo is anticipating a hard-fought contest.
"This will be a very physical game, it will come down to small margins, the little errors will be costly - but if it opens up, then all the better," he added.
"We've an extremely talented pack that will give us momentum hopefully, and a great backline to run off it.
"We've all the confidence in our own team to mix it with them if it gets loose.
"But we'll still just make sure we do everything in preparation to be as ready as we can become this weekend."
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