MYSTERY M Thirteen Russians Believed to Be Escaped Members of Czar's Official Family NEW Y'ORK. June 5- Thirteen Russians, signed on as officers and members of the crew of tho American steamship John Llnd, which arrived hero today from Copenhagen, arc reported re-ported to bo either escaped members of tho official family of the former emperor of Russia, Nicholas Romanoff, Roman-off, or former high officials of the Russian navy. The appearanco of the men indicated that they were above tho positions they were filling, ono being first officer of tho ship, one a boatswain and the others members of the fire room and deck crews. Not Ordinary Sailors. Efforts to interview them were prevented pre-vented by ship lino officors. Only a few questions woro exchanged, but their bearing and ansWor3, delivered in good English, indicated they were not average Russian sailors. Local custom cus-tom and immigration officials professed pro-fessed to know nothing about them, but it was reported that they had signed sign-ed on the John Llnd at Copenhagen with the knowledge and consent of the U. S. government. It was also said that the entire party will soon go to Washington. Of Romanofr Family. Ono of the party was declared by sailors of the John Llnd's crow to be a member of tho Romanoff family, which the Russians did not deny when questioned by thorn. Others aroi believed to be high officers of-ficers who had escaped from Russlu, following the revolution and had made their way to Denmark, where they havo been In hiding. Their ages ranged from IS lo 01 years.