ZURICH.- Like father, Like son: Christies spring sale of Swiss art at the Kunsthaus Zurich on 21 March 2011 will bring together outstanding works from famous artist fathers and their equally famous sons. The top lot of the sale, which comes from a Swiss private collection, is Giovanni Giacomettis family portrait Unter dem Holunder / Under the elder tree (1911) (estimate SFr. 1,8 2,5 million). The family is one of the core subjects of Giovanni Giacomettis oeuvre. Christies set a world record price of SFr. 3,240,000 for the rediscovered portrait Die Mutter / The mother (circa 1911) by the artist and successfully sold two other versions of the family subject Maternité (1908) which sold for SFr. 2,640,000 in 2008 and Der Nussbaum / The walnut tree (1908) which achieved Sfr. 2,280,000 in last Junes Swiss Art sale. Under the elder tree (1911) is set in the garden of the Giacomettis famil