A: Do you know Mary? B: Mary who? A: Mary McDonald. B: Of course I do. A: Do you know her little brother? B: Yes, of course I do. I know her brother and her mother and her father too. A: Do you know her older sister? B: Yes, of course I do. I know her older sister Betty and her younger sister Sue. A: Do you know Aunt Esther? B: Yes, of course I do. I know her aunts, her uncles and her cousins too. A: Do you know husband, Bobby? B: Yes, of course I do. I know her husband and his brother and his father too.