'To know of' definitions:

Definition of 'To know of'

From: GCIDE
  • Know \Know\, v. i.
  • 1. To have knowledge; to have a clear and certain perception; to possess wisdom, instruction, or information; -- often with of. [1913 Webster]
  • Israel doth not know, my people doth not consider. --Is. i. 3. [1913 Webster]
  • If any man will do his will, he shall know of the doctrine, whether it be of God, or whether I speak of myself. --John vii. 17. [1913 Webster]
  • The peasant folklore of Europe still knows of willows that bleed and weep and speak when hewn. --Tylor. [1913 Webster]
  • 2. To be assured; to feel confident. [1913 Webster]
  • To know of, to ask, to inquire. [Obs.] " Know of your youth, examine well your blood." --Shak. [1913 Webster]