Kate's last name is pronounced something like HEEna-hin (it could be more like a soft "a" or "e" than an "i" in the last syllable).
Here are a few examples of her name being pronounced so you can hear it.
She says her name at the very beginning of this one:
https://youtu.be/JkJfI9QaX4I?si=uUUsBVagWzEdPg6GShe says it around 14 seconds into this next one:
https://youtu.be/Qb54AGh7ZJU?si=QmKk1hjXIhWUURCQ&t=14Her name is announced around 13 seconds into this video. I queued it up to that time in the link:
https://youtu.be/2gdbOlYj-j8?si=oU3Ws3uf1IuJrQfg&t=13