context: He was one of five siblings who survived to adulthood; his younger brother, Martin, became a major executive at Sam's companies.
source: Insull's career began as an apprentice clerk for various local businesses at age 14.
reference_original: بدأ الحياة المهنية لـ Insull كموظف تحت الاختبار لشركات محلية متعددة في سن الـ 14.
reference_flipped: بدأت الحياة المهنية لـ Insull كموظفة تحت الاختبار لشركات محلية متعددة في سن الـ 14.