James Mungai Ngumba & Saris Hardwae Limited v Sarah Waringa Gathage & Grace Mwongeli Mutuku (Suing as the legal and personal representatives of the Estate of Simon Mutuku Mutinda (Deceased) (Civil Appeal 298 of 2018) [2019] KEHC 463 (KLR) (Civ) (19 December 2019) (Ruling)