| 119404 | Yoidik | iasi- nalʌʔ | | | Z'graggen (1980) | sibling os - |
| 138960 | Yarawata | ɛmɛnikɛ onaindɛ | | | Z'graggen (1980) | younger cross-sibling |
| 175912 | Yangulam | maŋganam | | | Z'graggen (1980) | sibling-different-sex-younger |
| 138959 | Yaben | imakaim | | | Z'graggen (1980) | younger cross-sibling |
| 175910 | Waube | imamuko orepore | | | Z'graggen (1980) | sibling-different-sex-younger |
| 138947 | Waskia | koras gotɛk | | | Z'graggen (1980) | younger cross-sibling |
| 119396 | Wamas | kaƀin -inahita | | | Z'graggen (1980) | sibling os - |
| 119413 | Wagi | apa- | | | Z'graggen (1980) | sibling os - |
| 119414 | Wagi | kɛwina- | | | Z'graggen (1980) | sibling os - |
| 190602 | Wadaginam | -raskaramp | | | Z'graggen (1980) | (os sibling younger) |
| 175908 | Uya | ugɛ- mʌgi | | | Z'graggen (1980) | sibling-different-sex-younger |
| 119407 | Utu | mʌgu- | | | Z'graggen (1980) | sibling os - |
| 138958 | Usan | imem | | | Z'graggen (1980) | younger cross-sibling |
| 175906 | Urigina | mamɔŋgo oraub | | | Z'graggen (1980) | sibling-different-sex-younger |
| 138963 | Ukuriguma | utaum | | | Z'graggen (1980) | younger cross-sibling |
| 175905 | Sumau | uku- ayaga | | | Z'graggen (1980) | sibling-different-sex-younger |
| 175904 | Sop | ugi- panʌm | | | Z'graggen (1980) | sibling-different-sex-younger |
| 175901 | Sinsauru | nonu | | | Z'graggen (1980) | sibling-different-sex-younger |
| 175900 | Sinsauru | nagi failioro | | | Z'graggen (1980) | sibling-different-sex-younger |
| 119406 | Silopi | tatu- nʌːnʌg | | | Z'graggen (1980) | sibling os - |
| 119389 | Sihan | ɛbi(na)- nʌʔʌk | | | Z'graggen (1980) | sibling os - |
| 119399 | Saruga | sotu- uhu | | | Z'graggen (1980) | sibling os - |
| 119397 | Samosa | mʌ:ga- | | | Z'graggen (1980) | sibling os - |
| 175903 | Saep | nɛg- ibulɛ | | | Z'graggen (1980) | sibling-different-sex-younger |
| 119405 | Rempi | maga- | | | Z'graggen (1980) | sibling os - |
| 119395 | Rapting | awina- nʌgare | | | Z'graggen (1980) | sibling os - |
| 206668 | Proto-Mabuso | *abi | | | Ross (2014) | cross-sibling, younger |
| 119394 | Panim | ɛbina- naʔag | | | Z'graggen (1980) | sibling os - |
| 138953 | Pamosu | ima hepiop | | | Z'graggen (1980) | younger cross-sibling |
| 175909 | Ogea | ogo- mɛlkʌnɛ | | | Z'graggen (1980) | sibling-different-sex-younger |
| 119412 | Nobonob | abina- makeg | | | Z'graggen (1980) | sibling os - |
| 119401 | Nake | -- uhnʌːg | | | Z'graggen (1980) | sibling os - |
| 119400 | Nake | avina subo | | | Z'graggen (1980) | sibling os - |
| 138954 | Musar | -imasay | | | Z'graggen (1980) | younger cross-sibling |
| 138955 | Musar | -imem | | | Z'graggen (1980) | younger cross-sibling |
| 190604 | Musak | irʌk iʌkʌ | | | Z'graggen (1980) | (os sibling younger) |
| 119398 | Murupi | mʌːga- | | | Z'graggen (1980) | sibling os - |
| 119386 | Munit | apa- | | | Z'graggen (1980) | sibling os - |
| 119387 | Munit | eƀia- isika | | | Z'graggen (1980) | sibling os - |
| 119402 | Mosimo | kawini- naheta | | | Z'graggen (1980) | sibling os - |
| 190601 | Moresada | -rʌbər | | | Z'graggen (1980) | (os sibling younger) |
| 119408 | Mawan | ʌːwi(na)- nʌg | | | Z'graggen (1980) | sibling os - |
| 138951 | Mawak | nimunat | | | Z'graggen (1980) | younger cross-sibling |
| 138952 | Mawak | ima heip | | | Z'graggen (1980) | younger cross-sibling |
| 138949 | Mauwake | ɛkɛra(ʔ) | | | Z'graggen (1980) | younger cross-sibling |
| 119410 | Matepi | dotu- nʌg | | | Z'graggen (1980) | sibling os - |
| 175914 | Male | waŋ kɛnɛŋga | | | Z'graggen (1980) | sibling-different-sex-younger |
| 138944 | Malas | emɛnɛm moaka | | | Z'graggen (1980) | younger cross-sibling |
| 138948 | Mala | -babarat nina | | | Z'graggen (1980) | younger cross-sibling |
| 138946 | Korak | -kɛkɛro gumɛŋ | | | Z'graggen (1980) | younger cross-sibling |
