Williams has said that he would prefer his child to grow up in the UK instead of Los Angeles, where the couple currently live.
He described children educated in LA schools as having "a massive sense of entitlement" and that they were "dull and dumb".
"I don't want to educate our baby in LA because I would much prefer her to have English sensibilities.
"I want the baby to have an English passport, we're still figuring out exactly whereabouts the baby is going to be brought up."
Williams and his wife, Ayda Field, a Turkish American actress, have been in a relationship for five years.
It is the first child for the couple who married two years ago.
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Another cloudy day with outbreaks rain or drizzle and mist in the morning. Some heavier bursts of rain possible at first.