This can be stated in active form. Alternate translation: "My Father has entrusted all things to me" or "My Father has given everything over to me" (See: [[rc://en/ta/man/jit/figs-activepassive]])
This double negative emphasizes that the Father is the only one who knows the Son. Alternate translation: "the only one who knows the Son is the Father" (See: [[rc://en/ta/man/jit/figs-doublenegatives]])
The word "knows" here means more than just being acquainted with someone. It means knowing someone intimately because of having a special relationship with him.