ACCORDING TO REX BILLS, this is everything that is considered part of the 4th house:
AGRICULTURE, AUNTS UNCLES FROM THE FATHER'S SIDE IN FEMALE HOROSCOPE, YOUR BODY'S FINAL RESTING PLACE, YOUR BIRTHPLACE, BROTHERS & SISTERS IN GENERAL, FINANCES OF BROTHERS AND SISTERS, BREASTS, BUILDINGS, PUBLIC BUILDINGS, YOUR BURIAL, SORROWS AND LOSSES RELATED TO CHILDREN, CITIES, CONCLUSION OF A PROJECT, GAINS FROM CONTRACTS, COUSINS ON THE MOTHER'S SIDE, PHYSICAL DEATH OF YOUR BODY, DIGESTION, DIGESTIVE ORGANS AND TROUBLES WITH THEM, DOMESTIC LIFE, DOMESTIC ENVIRONMENT, DWELLINGS, ACTIONS YOU UNDERTAKE NEAR THE END OF LIFE, ENEMIES, SECRET ENEMIES, ENVIRONMENT, ESTATES, FAMILIES, FARMS-FARMING-FARMERS, PROPERTY DAMAGE FROM FLOODS, FIELDS, HEALTH OF FRIENDS, LOSSES FROM GAMBLING, GARDENS-GARDENERS-GARDENING IMPLEMENTS, ONE'S COOPERATION WITH THE GOVERNMENT, GRAVES-ONE'S GRAVE-GRAVEDIGGERS-GRAVESTONES, GROUND, HIDDEN THINGS, HOMES. HOTELS, HOMESTEADS, PUBLIC HOUSING, ONE'S INHERITED(GENETIC) TENDENCIES, GAINS FROM SHORT JOURNEYS, SORROWS FROM LOVE AFFAIRS, MILK-MILKMAN, OLD AGE-OLD PEOPLE, DIGESTIVE ORGANS, OUTCOME OF ANYTHING, THE END OF ANYTHING, MARRIAGE OF PARENTS, PARENTS IN GENERAL(BUT YOUR SPECIFIC PARENTS), REPUTATION OF YOUR PARTNER, ELDERLY PEOPLE, PEOPLE SHARING YOUR HOME, PHYSICAL STRENGTH, MUNICIPAL POLITICS, UN-MOVEABLE POSSESSIONS, RANCHES, REAL ESTATE-REAL ESTATE AGENTS, RENTAL PROPERTY, FATHER OF A WOMAN, PLACES OF REST, RESULT OF ANYTHING, ROOMING HOUSES, SELF REHABILITATION, ONE'S SPIRITUAL SECURITY, UTERUS, WOMB (and adding by MD is pertaining to the/one's mother, maternal side or female relatives, i.e. mother of a man).