Darby(i)
26 but the Jerusalem above is free, which is our mother.
27 For it is written, Rejoice, thou barren that bearest not; break out and cry, thou that travailest not; because the children of the desolate are more numerous than [those] of her that has a husband.
28 But *ye*, brethren, after the pattern of Isaac, are children of promise.
29 But as then he that was born according to flesh persecuted him [that was born] according to Spirit, so also [it is] now.