Complex sentence: Dimitri's mother died in 1911, at her funeral the grand duke's poor eyesight became the source of temporary mirth at the end of the ceremony when he tried to kiss the icon his mother held in her hands.
Split into simpler sentences: Dimitri's mother died in 1911, at her funeral the grand duke's poor eyesight became the source of temporary mirth. At the end of the ceremony when he tried to kiss the icon his mother held in her hands.