"Children of the plantation" was a euphemism used during the time of slavery in the United States, to identify the offspring born to black female slaves and white men, usually the slave's owner, one of the owner's relatives, or the plantation overseer. Rape of female slaves occurred on many plantations. These children were born into slavery, through a legal doctrine known as partus sequitur ventrem. They were classified as mulattoes, a former term for a multiracial person. The one drop rule meant that they could never be part of white society. Some of the fathers treated these children well, sometimes providing educational or career opportunities, or manumitting (freeing) them. Examples are Archibald and Francis Grimké, and Thomas Jefferson's children by Sally Hemings. Others treated their