There are two ways for finding google plus email address. First is so simple and you should use first. If it is not applying on you. You can use second way.
First way : Just go to your google plus page's setting and then copy the oogle Plus Email Address and keep it in safe place.
Second way : Just open your gmail and just find the conversation of your youtube video has removed through search box in gmail. Open this and address to will be your google plus page email address.
