On 6 July 1942 he was elected Sofia - Plovdiv Apostolic Administrator and Bishop of the Titular Prisriana.

During the trials against Catholic priests in Bulgaria, Romanov was arrested by the People's Militia.

On 29 October 1952 Sofia District Court examined the case of Romanov.

His process of beatification (together with the Fathers Capuchin Flavin Mankin and Fortunat grocers) started on 17 November 1998 and since then he bears the title "servant of God".

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