My Mother's Mother (Confirmed) Pilgrims on the Mayflower.
Mother's Father Scandinavia/England 1600's
Father's Father several generations in the US, immigration records still being reviewed to determine country of origin for the family name. My father claims it was from Germany and I think it could have been Slavic in origin.
Father's Mother definitely Chinese although verifying countries and provinces of origin has been difficult. More work for sure that needs to be done.