Complex sentence: After his death, Hachikō's remains were cremated and his ashes were buried in Aoyama Cemetery, Minato, Tokyo where they rest beside the ashes of his beloved master, Professor Ueno.
Split into simpler sentences: After his death, Hachikō's remains were cremated. His ashes were then buried in Aoyama Cemetery, Minato, Tokyo and now rest beside the ashes of Hachikō's beloved master, Professor Ueno.