Identical messages were left on my service for both 281-207-4857 and 281-207-4890. It was a recorded message for a meeting for our alternative high school in the area and that there was an information meeting .
Assuming that they are your parents (first) cousins, then they are your first cousins once removed. Their children will be your second cousins. If you are asking what to call them, then that depends. I always called my parents cousins aunty and uncle... unless they were like my age.
Cousin: Your first cousins are the people in your family who have two of the same grandparents as you. Second Cousin: Your second cousins are the people in your family who have the same great-grandparents as you but not the same grandparents.