The phrase "actually known of" is not correct in standard written English.
It is typically used incorrectly; the correct form would be "actually known" or "known of."
Example: "The phenomenon is actually known to scientists, but not widely understood by the public."
Alternatives: "actually recognized" or "actually acknowledged."
Little is actually known of the archaeology of the vast region of Brazil.
Little is actually known of his life because the most detailed information about him was contained in the prejudiced reports of his contemporary, Hippolytus, an anti-Monarchian Roman theologian.
However, aside from speculation about the parallel origin of M with African rice, little is actually known of the timing of M S divergence, their geographic origins, biogeographic history of contact, or demography (Crawford and Lazzaro 2010).
However, I started to think about the number of individuals in this minority group that we actually knew of.
But not many people actually knew of him, and even fewer would have recognized him if he had knocked on the front door.
It insures that each of the "5 or fewer" shareholders representing the bulk of the financial interest of the corporations actually knows of the other corporations within the putative brother-sister controlled group.
Behind the super-sized TV persona and waspish barbs, he actually knows of what he speaks, with extensive West End and international credits and Olivier Award nominations as a choreographer.
Last month's ruling in Ms. Pollock's favor was unanimous, though two of the judges would have allowed a retrial under the proper legal standard, which requires proof that she actually knew of life-threatening abuse.
Irving Picard, the trustee for the victims, has argued that the Wilpons were privileged investors with access to special information — that they actually knew of Madoff's deception, and preferred to turn a blind eye to the scheme rather than jeopardize their steady stream of profits.
I actually know of someone who has two Pebble watches, one for work and one for home, for this very reason.
And I think that I take that really seriously, but I don't actually know of the details of their philosophy, just because I haven't been focusing on it since I arrived here.
