unknown to somebody

unknown to (one)

With someone being unaware (of something). Unknown to Jacobson, the other two partners had drawn up the deal in such a way that they would have full control of the company in two years' time. My wife invited her entire family to come stay with us for Christmas—unknown to me.See also: unknown

unknown to somebody

without the person mentioned being aware of it: Unknown to me, he had already signed the agreement.See also: somebody, unknown