In addition to those works about Ellen Roxborough and Elyot and Eden Standish, in one work by this author, the protagonist is purchased as a child from his parents, becomes a successful artist, takes in his impoverished hunchbacked sister, and dies after he is abandoned by a woman who wishes to become a wealthy concert pianist, Kathy Volkov.  
One character created by this author survives a shipwreck and has an affair with her husband's brother Garnet and the escaped murderer Jack Chance, and another character created by this author follows her lover to Spain when he leaves her to join the Loyalists.  In addition to those works about Ellen Roxborough and Elyot and Eden Standish, in one work by this author, the protagonist is purchased as a child from his parents, becomes a successful artist, takes in his impoverished hunchbacked sister, and dies after he is abandoned by a woman who wishes to become a wealthy concert pianist, Kathy Volkov.  In another work, one character is delivered from the Nazis to Israel but leaves in order to work in Mr. Rosetree's factory.  In addition to those novels about Hurtle Duffield Courtney and Mordecai Himmelfarb, he wrote a novel in which Laura Trevelyan is the love object of the titular explorer, who endeavors to cross the continent.  FTP, name this Australian author of A Fringe of Leaves, The Vivisector, Riders in the Chariot, and Voss.
One character created by this author survives a shipwreck and has an affair with her husband's brother Garnet and the escaped murderer Jack Chance, and another character created by this author follows her lover to Spain when he leaves her to join the Loyalists.  
Patrick White