Mom, Dad and 4 Children

Picture found with Suzanna Howard Shannon pictures. Back of picture says John & Rose Watts Butterant, Ireland.
Is this Rose Howard (maiden Name) Watts, the sister of Suzanna Howard (Maiden Name Howard also) Shannon. Have more family pictures of this family over the years. Can you ID this Family?

Is Rose Howard Watts the sister to Suzanna Howard Shannon? Were they both born in England? Is Rose's maiden name Howard also? Why are all the other pictures from this family taken in Ireland also?
People in photo include: Rose Watts