Come to his knowledge - Idioms by The Free Dictionary
come to (one's) knowledge (redirected from come to his knowledge)
come to (one's) knowledge
To be noticed by one; to enter one's awareness. Once the employee's complaint of mistreatment came to my knowledge, I knew I had to address it right away.
come to somebody’s ˈknowledge (formal) become known by somebody: It has come to our knowledge that you have been taking time off without permission.