Not the parent, but I can share one. A guy I worked for long ago was part of a partnership of architects and they split up. One of the other partners was known

Not the parent, but I can share one. A guy I worked for long ago was part of a partnership of architects and they split up. One of the other partners was known for never parting amicably and sued him. He claimed they had agreed on something and my client had failed to deliver and thus owed him some large sum. He presented notes he had allegedly taken during the talk they had a few years earlier including date and time and the word of another partner as support, who claimed to have been present. My client checked his old calendars and just found the word "Copenhagen" for that + the previous day. With a bit of searching and checking, he figured out that he was incredibly lucky: he had been in Copenhagen that day to sail in a regatta, had lots of witnesses and photographs and easily won the case, the other two got into hot water for falsifying documents and giving false statements, though I don't know the outcome. He was lucky to have had a multi-day thing and putting it into his calendar. Not sure if "Google showed me being far away" would've stood up, but it can certainly be useful to know your location a few years ago.