The premiere vitcultural precincts of Margaret River are endowed by oceans on three sides, conditions that are perfect for the production of truly world class white wines. The vineyards of Leeuwin Estate were established from the ground up with a view to extracting fully the virtues of these splendid mesoclimes. Siblings is an entry level wine, intended for fresh and early drinking, it is nevertheless a highly polished example of the classic and dry Margaret River style of white. The Semillon component is cannily fermented in older oak barrels for complexity.

Great wines are born in great vineyards, and at Leeuwin the viticulturist and winemaker work hand in hand throughout the entire vinification process. Since inaugural release, Leeuwin Estate's mission has been to produce wines that rank with the best in the world through the pursuit of excellence. Today Leeuwin has been recognised through the receipt of numerous awards for its wines and restaurant, architecture, environment, arts initiatives, and as a leader in wine tourism. Broadly following European winemaking techniques, Leeuwin is concentrating on achieving complexity, balance and longevity in its Semillon Sauvigon Blanc accord, through a blend of modern and traditional methods.