Unknown to example sentences

Mijbil, as I called the otter, was, in fact, of a race previously unknown to science, and was at length christened by zoologists Lutrogale perspicillata maxwelli, or Maxwell's otter.Whether they were only the outlying districts of the city, or places beyond in the surrounding country — who knew? — they attained a special fascination simply because they were unknown to her and remained out of her reach.He was a tall man, very English, very serious and of course very unknown to all of us.But he quickly realised that his readers in Kerala were not familiar with the way in which the characters in English novels lived: their clothes, ways of speaking, and manners were unknown to them.