Good to see you taking on these tasks. You have been getting better so just keep at it.
In the Edit tab of Albright-511, on the right side of the page look for Spouse. Then click on Add/Remove spouse.
On the page that opens at the bottom, go to II. Remove Spouse, be sure to click the bubble next to Robert then click the Big green bar that says Remove as Spouse of Hattie.
Having done that rejoice that you have added to your skills.