A Grinstead is the best friend that you could ever ask for. Grinsteads are kind-hearted, caring, sweet, and loving. If you ever come across a Grinstead, they will be nice to you. It's as simple as that. They are known for being generous and taking people in when they are in need. If you are lucky enough to have a Grinstead fall in love with you, you will have someone to rely on for life.