SANTA MONICA, CA. : Rachel (above right) stands in her master bedroom looking out, as daughter Lucinda, 5, and Becket 3, play below. Architects Erla Dogg Ingjaldsdottir and Tryggvi Thornsteinsson, who work under the firm name Minarc, converted a 1970s apartment building into a family house for Rachel Klauber-Speiden, Josh Empson and their two children Lucinda, 5, and Becket, 3.