sitemap issue

Hi,

I’m just about to submit my sitemap to google, however i have 3 sitemaps which 2 of them seem to be from the old domain holder

XML Sitemap

Generated by YoastSEO, this is an XML Sitemap, meant for consumption by search engines.

This XML Sitemap Index file contains 3 sitemaps.

Sitemap Last Modified
http://www.yourcleaningmatters.co.uk/post-sitemap.xml 2015-05-07 05:24
http://www.yourcleaningmatters.co.uk/page-sitemap.xml 2015-11-14 19:10
http://www.yourcleaningmatters.co.uk/category-sitemap.xml 2015-05-07 05:24

Now how would i make the middle sitemap which is the latest one my main sitemap ??

As i’ve submitted it to google /page-sitemap.xml but it doesn;t pick it up at all.

Any help would be great

Many Thanks