Her son, James VI of Scotland, became James I of England through the union of the Scottish and English crowns in March 1603.

Source: https://www.dailymail.co.uk/sciencetech/article-11906373/Scotlands-oldest-tartan-dates-16th-Century-experts-say.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

I told James I need to know where he is at all times, and his overnight work trips had to be cut to a minimum.

Source: https://metro.co.uk/2023/08/27/i-took-my-husband-back-after-his-affair-but-he-now-has-to-follow-my-rules-19350136/

Persecution of Catholics intensified under Elizabeth’s successor, James I, particularly after the infamous 1605 Gunpowder Plot to blow up the king and his parliament.

Source: https://thetablet.org/britains-catholics-prepare-for-kings-upcoming-coronation/