Assassinated by an unknown member of his Maggia group.

He was young, big, businesslike, and unsympathetic with unknown members of the public.

Did you know that the Institute's questionnaire database contains 19,892 'unknown' members?

Are the members unknown to each other?

He had been a relatively unknown and distant member of the family, but the only male fortunate enough to escape the all too devastating death.

The leading suspect is a previously unknown member of the coronavirus family.

Instead, the findings suggest that the virus might be a hitherto unknown member of the paramyxoviridae family.

He had not even been able to learn the names of the unknown members of the Hidden Circle.

The slogan is thought to have come from an unknown member of staff of the railway.

The leading candidate is a previously unknown member of the coronavirus family, which can cause the common cold and severe diseases in animals.