The birth of a child with developmental disabilities changes the usual way of life of the family. The motives and causes of suicide cannot be reduced to a single classification, because they are largely subjective and depend on different characteristics of a person: gender, age, profession, worldview. manifestation of suicidal tendencies is a complex systemic phenomenon, we consider it necessary to use in the process of research battery techniques. As a result of the analysis of the content, features of application and efficiency of various techniques, we have chosen the following: 1) Beck's Hopelessness Scale (Beck et al. 1974); 2) Methods of diagnosis of subjective feelings of loneliness D. Russell and M. Ferguson; 3) Questionnaire "Risk-C"; 4) The method of incomplete sentences (according to O. Kucher). Spearman's correlation coefficient was also used to determine the relationship between the levels of subjective feelings of loneliness and hopelessness and the level of risk of suicidal ideation. The purpose of our study is to determine the predominant presence or absence of suicidal ideation and tendencies in the behavior of parents raising children with complex developmental disorders, as well as their relationship with such personal factors as subjective feelings of loneliness and hopelessness. Determining the nature of the relationship between subjective feelings of loneliness and the presence of suicidal tendencies in the subjects showed that the subjects with clear signs of suicidal tendencies of the majority are characterized by a high level of subjective feelings of loneliness. Among the subjects with some signs of suicidal tendencies, the most represented is the average level of subjective feelings of loneliness. Subjects who generally showed no signs of suicidal ideation had a low level of subjective feelings of loneliness. Subjects with a minimal level of suicide show mostly an average level of loneliness. In addition, subjects at high risk of suicide generally showed a high level of subjective loneliness. In subjects with a medium level of risk of suicide, the feeling of loneliness, in most cases, is also manifested at a medium level. If we talk about subjects with a low risk of suicide, the most pronounced is the low level of subjective loneliness.