Letter from solicitor?

recieved a letter from a solicitor saying they had been desperately trying to trace me but in my name b4 marrying .It then went on to say could i confirm a relationship with the deceased person in regards to there estate . the person named was an old friend years ago and i was aware of there demise .it said once validity was confimed they could then deal with the papers concerning the estate but could not answer questions at this juncture .what is all this about ?,i phoned the solicitors who were polite but said they could not answer any questions but to send explanation of my relationship with the deceased.