Who are Dr pols grandchildren?

Dr. Pol, the veterinarian featured on the reality TV show "The Incredible Dr. Pol," has several grandchildren, including those of his son, Charles Pol, and his daughter, Kathy Pol. Notable among them are Charles' children, who occasionally appear on the show. Their names include Abigail and a few others, but specific details about all of Dr. Pol's grandchildren are not widely publicized.