Baby boy first and middle names!?

Desiree • Wife and Mother to an 11 yr/o boy and 3 yr/o girl, 1 miscarriage 4/6/20👼 TTC for baby #3🙏🏼
We all are to early to know the sex of our babies, I got the perfect girl first and middle name and perfect first boy name I came up with Gavin but need a middle name.