british throne - Robuta Search

https://www.etonline.com/queen-elizabeth-marks-historic-70-years-on-the-british-throne-ahead-of-platinum-jubilee

The 95-year-old is the longest-serving British monarch in history.

https://tribune.com.pk/story/1968488/line-succession-british-throne

Includes Queen Elizabeth II's four children and their descendants

https://www.nickiswift.com/1593127/is-prince-harry-still-in-line-throne/

Prince Harry is fifth in line to the throne, so while he could potentially become king, it's unlikely to ever happen.