Is Elsbeth a family member of, the TV series Columbo

Yes, Elsbeth is a character in the TV series "Columbo." She is introduced in the episode titled "A Matter of Honor," which is the 4th episode of the 10th season. In the episode, Elsbeth is the niece of the murder victim and becomes involved in the investigation. However, she is not a main character or a recurring family member in the series. "Columbo" focuses primarily on the titular character, Lieutenant Columbo, and his interactions with various suspects and witnesses throughout the series.