Complex sentence: Tama was born in Kinokawa, Wakayama, she was raised with a group of stray cats that used to live close to Kishi Station, they were regularly fed by passengers and by the (at that time) informal station manager Toshiko Koyama.
Split into simpler sentences: Tama was born in Kinokawa, Wakayama, and was raised with a group of stray cats that used to live close to Kishi Station. They were regularly fed by passengers and by the (at that time) informal station manager Toshiko Koyama.