**Table 1. Explicit and inferred kin relationships with ten or more occurrences: Huitzillan and Quauhchichinollan villages, circa 1540**
Relationship	Frequency
child	596
spouse	316
head	315
brother	158
brother’s spouse	88
son-in-law	77
brother-in-law	76
sister	67
grandchild	56
brother’s child	51
mother-in-law	40
brother-in-law’s spouse	38
sister-in-law	37
daughter-in-law	36
nephew	34
brother-in-law’s child	33
sister’s child	33
mother	26
cousin	19
niece	19
mother-in-law’s child	17
sister-in-law’s spouse	15
dependent	11
helper’s child	11
sister-in-law’s child	11
father-in-law	10
nephew’s child	10
119 other designations	273
Illegible	30
Total	2,503
Source:Census lists transcribed and translated by Cline (1993). The table includes explicit ties to the head and inferred ties for members of multiple or extended families.

**Table 2. Multiple households were the norm among rural Nahua**
Household type		Households		Individuals
		(Percent)
Simple		13.4		7.2
	No children		1.9		0.5
	Children		11.5		6.7
Extended		13.4		10.1
	Upward		1.9		1.0
	Downward		0.3		0.2
	Lateral		6.7		4.9
	Combinations		4.5		3.9
Multiple		72.1		81.1
	Upward		0.3		0.3
	Downward		15.1		14.6
	Lateral		26.3		26.6
	Combinations		30.4		39.5
Polygamous		1.0		1.6
Total (n)		312		2,486
Illegible (n)		3		17
Source: Census lists transcribed and translated by Cline (1993). Note: Multiple families consists of any two of the triad: husband, wife, child.

Table 3. Headship designation by order of appearance in district:
Each district is characterized by a set of terms identifying a household and its head
Key (in order of first appearance):
Frequency	Key	Explanation
6	G	"one who governs" (tlatoani); "one named ... is in charge"
1	b	"one who belongs to the tlatoani"
165	H	"Here is the home of ..."; "Here is ....'s home."
20	.	illegible
6	m	migrant ("Here are some people who just came from afar")
1	g	"Here is the one who guards things for the tlatoani"
47	R	"Here is the householder named ..."
39	S	"Here is the home of some people...". This phrase accompanies one of the following: " The household head is named..." or "The head of the household is named..." or "The householder is named..."
25	T	"The tribute payer is named..."
1	n	"Here is a nephew..."
2	C	"Here is a tribute collector..."; "...tribute boss"
1	a	"Here is a goodly maiden..."
Household headship in order listed within districts
"Here is an altepetl named Huitzillan" (H1-H41): GbH.HHHHHH.HHH.HHH.HHHHHHHmHmH.HHHHm.HHHH
Quauhchichinollan people (Q1-Q66): GgRSSSSSSSSTSSSSSHHHHHSSSSRSSSSSSSHSTTTTSSTT.TTTTTT.TTTTTTTT.T.TTT
Ward illegible (Q67-Q135): GHRRRRRHHRR.RRRRRR.RRRHHRRRRRRRR.RSSSSSSSSHHHHHHHHHHn.HHHH.mHHHHHHHHH
Tlacochcalco (H#1-H#18): HHHHHHHHHHCHHHHHHH
Coloteopan (H#19-H#35): GHHHHHHHHHHHHHHHH
Ward illegible (H#36-H#62) GHHHHHHHHHHH.HHHHHmHHHH.HHm
Xanyacac (H#63-H#72) CHHHHHHHH
...cenhuitzco H#73-H#139) SSSSRRRRRRRRRRRRR.RRRRRRRGHHHHHHHHHH.HHHHHHHHHHHHHHHHHHHHHH.HHHHHHa
Source: Census lists transcribed and translated by Cline (1993).

**Table 4. Position of married individuals in rural Nahua households was strongly structured by gender**
Relationship	Male	Female
Head	306	1
Spouse	1	309
Son/daughter	36	75
Other kin:	323	285
Brother/sister	98	26
Brother/sister-in-law*	63	106
Son/daughter in law	75	36
Brother/sister-in-law’s spouse	14	38
Father/mother	3	3
Father/mother-in-law	8	8
Nephew/niece	8	6
Spouse of nephew/niece	6	8
Cousin	5	2
Spouse of cousin	2	5
Uncle/aunt	5	2
Spouse of uncle/aunt	2	5
Father/mother-in-law’s son/daughter	2	2
Other	32	38
Not related:	11	11
Helper/helper’s wife	4	4
Dependent/dependent’s wife	3	3
Helper’s brother/sister	2	0
Helper’s brother/sister-in-law	0	2
Other	2	2
Total married (includes second wives)	677	681
Source: Census lists transcribed and translated by Cline (1993). Note: *includes brothers and sisters-in-law of both the head and his spouse. Omitted are conjugal units where relationships or marital status is illegible.

**Table 5. Household Composition in Rural Morelos, 1540 and 1990, and in the Federal Republic of Mexico, 1990**
Relation to Head	1540	1990^a	1990^b
	Rural Morelos		Republic
	%	%	%
Head	13	20	19
Spouse	13	16	16
Son or Daughter	24	54	53
Other kin	49	6	7
Not related	1	4	5
Total %	100	100	100
N	2,503	1,633	801,981
Sources:Data constructed from Cline 1993 and INEGI 1994 (individual-level census microdata constituting a one percent national sample for the Republic of Mexico). Notes: ^aindividuals residing in communities of fewer than 2,500 inhabitants in Morelos state; and ^bnational sample.