The second instance came when the powerful De Lancey family decided to break up part of their vast estate in the 1760s, and laid out a grid of streets centered on "De Lancey Square". As royalists, their holdings were confiscated after the American Revolution, but the streets remainedalthough a new street, Grand Street, was laid through the central square. The north–south streets of the De Lancey grid become the core north–south streets of the Lower East Side: Chrystie, Forsyth, Eldridge, Allen, Orchard and Ludlow Streets, and the grid became the pattern for additional streets laid out in the area.