However, his rule came to an abrupt end when his son - in - law, Ptolemy, assassinated him along with two of his sons while they were banqueting near Jericho. This attempt to gain control failed.
आपल्या राज्याच्या सीमा वाढवण्यासाठी सायमनने संघर्ष सुरूच ठेवला.