Seattle mainstay Menashe & Sons relies on a son and daughter to uphold its sparkling reputationJack Menashe, owner of Menashe & Sons Jewelers in Seattle, got his start in the jewelry business in the 1960s as a stock boy for a breed of retail store that’s long been extinct. “It carried jewelry and china, but also radios and stereos and all kinds of electronics,” he says. “And those stores always had a high school stock boy. I can truly say I’ve done it all in the jewelry industry—from cleaning toilets to owning a business.” Ten years after entering the trade, Menashe opened hi