Dear niece regularly seen in Morecambe? (4)
I believe the answer is:
eric
'morecambe?' is the definition.
(comedian Eric Morecambe)
'dear niece regularly seen' is the wordplay.
'regularly seen' indicates alternate letters.
'dear'+'niece'='dearniece'
The alternate letters of 'dearniece' are 'ERIC'.
'in' is the link.
(Other definitions for eric that I've seen before include "..... the Red was Norwegian 10th Century exployer" , "One of pair once popular" , "- Morecambe, comic" , "---- Roberts, actor brother of Julia" , "Great Norwegian explorer .... the Red" .)