vaikrtah—creations of Brahma; trayah—three kinds; eva—certainly; ete—all these; deva-sargah—appearance of the demigods; ca—also; sattama—O good Vidura; vaikarikah—creation of demigods by nature; tu—but; yah—which; proktah—described before; kaumarah—the four Kumaras; tu—but; ubhaya-atmakah—both ways (namely vaikrta and prakrta).