That is very funny!
I was living with my sister and her family and I had a dog named Daffy. My sister's father in law was coming to see us with his new wife and my sister told me NOT to call my dog 'Daffy' as that was the new wife name too. My sister has a daughter who was about 3 yo. My niece came into the living room with a hot dog and her grandfather told her to give the hotdog to Daffy so she walk over to my dog 'Daffy' and her grandfather said " no give it to Daffy, his wife" . My poor niece was getting so confused and I was trying my best not to say my dog name is Daffy too. My sister said the new wife would be upset to know my dog had the same name as her. It was funny.