Nicolas Puech, the billionaire heir of luxury fashion brand Hermès, is reportedly planning to adopt his 51-year-old former gardener and leave his fortune to him. Puech is estimated to hold 5-6% share in Hermès, valuing his stake at about $11 billion. The 80-year-old Puech is unmarried and childless, whereas the gardener is said to belong to a modest Moroccan family.