As she has previously visited the UK on a family visit visa this means she has travel history, but she may only spend any 6 months out of any 12 in the UK on a visit visa.

[URL="[URL="http://www.ukba.homeoffice.gov.uk/partnersandfamilies/partners/fianceesproposedcivilpartners/"

The ECO will be looking for you to demonstrate you meet all the requirements of Paragraph 290 of the Immigration rules.