Complex sentence: Chivayo was part of an audience that attended a meeting in South Africa held by current Zimbabwean president Emmerson Mnangagwa, he, is also believed to be associated with former Zimbabwean president Robert Mugabe and his family.
Split into simpler sentences: Chivayo was part of an audience that attended a meeting in South Africa held by current Zimbabwean president Emmerson Mnangagwa. He (Chivayo), is also believed to be associated with former Zimbabwean president Robert Mugabe and his family.