Jamieson, Fausset and Brown on Song of Solomon 1:6

6. She feels as if her blackness was so great as to be gazed at by all.

mother's children--(Mt 10:36). She is to forget "her own people and her father's house," that is, the worldly connections of her unregenerate state (Psa 45:10); they had maltreated her (Lu 15:15, 16). Children of the same mother, but not the same father [Maurer], (Joh 8:41-44). They made her a common keeper of vineyards, whereby the sun looked upon, that is, burnt her; thus she did "not keep her own" vineyard, that is, fair beauty. So the world, and the soul (Mt 16:26; Lu 9:25). The believer has to watch against the same danger (1Co 9:27). So he will be able, instead of the self-reproach here, to say as in So 8:12.